Archives

May 2019



Captured on 14 April 2018 by the Copernicus Sentinel-2A satellite, this image shows western Pakistan and an important wetland area.


This Hubble image stars Messier 90, a beautiful spiral galaxy located roughly 60 million light-years from the Milky Way in the constellation of Virgo (the Virgin). The galaxy is part of the Virgo Cluster, a gathering of galaxies that is over 1,200 strong.


Ashfall from ancient volcanic explosions is the likely source of a strange mineral deposit near the landing site for NASA's next Mars rover, a new study finds.


On a test flight in Death Valley, California, an Airbus helicopter carried an engineering model of the Lander Vision System (LVS) that will help guide NASA's next Mars mission to a safe touchdown on the Red Planet.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


As NASA returns humans to the Moon and then heads out to Mars, a new type of astronaut will be required to explore these worlds. Let's called them "expeditionary astronauts".


Wind has shaped the face of Mars for millennia, but its exact role in piling up sand dunes, carving out rocky escarpments or filling impact craters has eluded scientists until now.


Earth is bombarded every year by rocky debris, but the rate of incoming meteorites can change over time.


A new assessment of NASA's record of global temperatures revealed that the agency's estimate of Earth's long-term temperature rise in recent decades is accurate to within less than a tenth of a degree Fahrenheit, providing confidence that past and future research is correctly capturing rising surface temperatures.


Immunology research has been keeping the Expedition 59 astronauts busy since the SpaceX Dragon space freighter delivered new science gear in early May. Two cosmonauts are also one week away from starting the fourth spacewalk this year at the International Space Station.


Most people behave differently when under extreme pressure. Carbon and ice are no different.


Somewhat more than 4000 planets orbiting stars outside our solar system are known so far.


Star formation within interstellar clouds of gas and dust, so-called molecular clouds, proceeds very rapidly yet highly "inefficiently".


Citizen scientists assemble! NASA's OSIRIS-REx mission to the asteroid Bennu needs extra pairs of eyes to help choose its sample collection site on the asteroid - and to look for anything else that might be scientifically interesting.


The Expedition 59 crew is spending all day Tuesday exploring how astronauts adjust with Earth's gravity no longer bearing down on them. Spacewalk preparations and lab maintenance are also ongoing aboard the International Space Station.


The sun's first rays peek above Earth's limb highlighting the thin blue atmosphere during an orbital sunrise as the International Space Station orbited 255 miles above Indonesia.


Portions of the Canadian provinces of Nova Scotia and New Brunswick separated by the Bay of Fundy are pictured as the International Space Station orbited 257 miles above the North American continent.


Astronomers at the University of Bonn and their colleagues from Moscow have identified an unusual celestial object.


A novel Henry Ford Hospital study of mice aboard a Russian spaceflight may raise an intriguing question for the astronauts of tomorrow: Could traveling in space be bad for your joints?


The six residents aboard the International Space Station kicked off the workweek today exploring microgravity's long-term impacts on biology and physics. The Expedition 59 crew is also ramping up for a fourth spacewalk at the orbital lab this year.


For the first time, a cross-disciplinary study has shown chemical, physical, and material evidence for water formation on the Moon.


A gassy insulating layer beneath the icy surfaces of distant celestial objects could mean there are more oceans in the universe than previously thought.


Four Expedition 59 astronauts spent Friday investigating a multitude of space biology phenomena while two cosmonauts continued preparing for an upcoming spacewalk.


The stark difference between the Moon's heavily-cratered farside and the lower-lying open basins of the Earth-facing nearside has puzzled scientists for decades.


NASA's Juno mission to Jupiter made the first definitive detection beyond our world of an internal magnetic field that changes over time, a phenomenon called secular variation. Juno determined the gas giant's secular variation is most likely driven by the planet's deep atmospheric winds.


Amending the budget to support humans on the Moon in 2024, what may be causing possible Moonquakes, and a virtual flight over an area of scientific interest on Mars ... a few of the stories to tell you about - This Week at NASA.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


This Copernicus Sentinel-2 image features the Po Valley, the most densely populated area in Italy, accounting for nearly half of the national population.


Critical life science continues apace aboard the International Space Station today helping NASA support human missions to the Moon and beyond. The Expedition 59 crew is also gearing up for another maintenance spacewalk at the end of May.


When you hear news about ice loss from Greenland or Antarctica, an aquifer in California that is getting depleted, or a new explanation for a wobble in Earth's rotation, you might not realize that all these findings may rely on data from one single mission: the U.S.-German Gravity Recovery and Climate Experiment (GRACE).


SpaceIL, a non-profit organization, attempted to land its spacecraft in this ancient volcanic field on the nearside of the Moon. After a smooth initial descent, Beresheet made a hard landing on the surface.


NASA's New Horizons mission team has published the first profile of the farthest world ever explored, a planetary building block and Kuiper Belt object called 2014 MU69.


The Expedition 59 crew spent the day exploring what happens to the immune system when exposed to the microgravity environment. The space residents are also gearing up for another spacewalk at the International Space Station.


The Expedition 59 astronauts are moving full speed ahead today with continuous space biology research. Two cosmonauts are also pressing forward with plans to conduct the fourth spacewalk this year at the International Space Station.


Small, hardy planets packed with dense elements have the best chance of avoiding being crushed and swallowed up when their host star dies, new research from the University of Warwick has found.


Russian and German physicists have offered an explanation for the new data obtained by Martian satellites, capturing the "escape" of hydrogen atoms from the upper Martian atmosphere into outer space.


Terrestrial gamma-ray flashes occur above some thunderstorms and propagate out into space.


A pair of robotic arms from Canada and Japan continued swapping experiment hardware on the International Space Station over the weekend. Meanwhile, the Expedition 59 crew started the week exploring robotics and biology today while a pair of cosmonauts look to the next spacewalk.


NASA-NOAA's Suomi NPP satellite passed over the Southern Pacific Ocean and captured a visible image of Tropical Cyclone Ann in the Coral Sea, off the east coast of Queensland, Australia.


The Expedition 59 crew focused intensely on human research today to improve the health of people on Earth and in space.


July 20, 2019 marks the 50th anniversary of Apollo 11, the first time humans walked on the Moon.


The galaxy is littered with planetary systems vastly different from ours.


NASA and Northrop Grumman technicians in Promontory, Utah, have applied insulation to the final booster motor segment for the second flight of NASA's deep space rocket, the Space Launch System, and NASA's Orion spacecraft.


ESA's Living Planet Symposium - the largest Earth observation conference in the world - is being held on 13-17 May in Milan, Italy.


The Expedition 59 crew has a light duty day today with some science work on the schedule. Meanwhile, robotics controllers are preparing to swap external payloads in the unpressurized trunk of the SpaceX Dragon cargo craft.


The SpaceX Dragon cargo craft approaches the International Space Station 256 miles above Morocco.


For the first time, NASA's Mars Odyssey orbiter has caught the Martian moon Phobos during a full moon phase.


The exquisite sharpness of this 2005 image from NASA/ESA's Hubble Space Telescope has plucked out an underlying population of infant stars embedded in the nebula NGC 346.


The same winds that blanket Mars with dust can also blow that dust away. Catastrophic dust storms have the potential to end a mission, as with NASA's Opportunity rover.


NASA's Spitzer Space Telescope has revealed that some of the universe's earliest galaxies were brighter than expected.


Astronomers have just managed to take the first image of a black hole, and now the next challenge facing them is how to take even sharper images, so that Einstein's Theory of General Relativity can be tested.


Blue supergiants are rock-and-roll: they live fast and die young.


The aurora australis swirls above the Indian Ocean south of Australia as the International Space Station orbited 265 miles over Earth.


In order to address the issues posed by space debris on spaceflight activities UNCOPUOS has taken the initiative to create a set of internationally agreed guidelines for the long-term sustainability of outer space activities.


This image shows a quasar nicknamed the Teacup due to its shape. A quasar is an active galaxy that is powered by material falling into its central supermassive black hole.


Few of the universe's residents are as iconic as the spiral galaxy.


View of category 4 Tropical Cyclone Fani approaching India, from 07:45 UTC on Thursday, 02 May 2019, as seen by Meteosat-8.


NASA's Aqua and Terra satellites have been providing infrared, microwave and visible imagery of Tropical Cyclone Fani as it continued to move northward along the eastern coast of India.


Researchers have found a new way to use satellites to monitor the Great Whirl, a massive whirlpool the size of Colorado that forms each year off the coast of East Africa, they report in a new study.


NASA is preparing to send astronauts on journeys that will include longer stretches in microgravity - to the Moon and onward to Mars.


The wavelength range of this image stretches from ultraviolet to near-infrared light, capturing all the features of galaxy assembly over time.


A camera on the spacecraft's robotic arm snapped the photos on April 24 and 25, the 145th Martian day, or sol, of the mission.


Astronomers have discovered a star in the Milky Way Galaxy with a chemical composition unlike any other star in our galaxy.