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Astronomy TOP STORIES

Finding GW170817 In The Sky

Sky Localizations of Selected Gravitational-Wave Events.

On October 16, 2017, the LIGO Scientific Collaboration, Virgo Collaboration, and its partners announced the first observation of gravitational-waves from a pair of inspiraling neutron stars.

Hubble Observes Source of Gravitational Waves for the First Time

The NASA/ESA Hubble Space Telescope has observed for the first time the source of a gravitational wave, created by the merger of two neutron stars.

Scientists Discover More About The Ingredients for Star Formation

Astronomers have shed fresh light on the importance of hydrogen atoms in the birth of new stars.

New Telescope Attachment Allows Ground-based Exoplanet Observations

A new, low-cost attachment to telescopes allows previously unachievable precision in ground-based observations of exoplanets -- planets beyond our solar system

Scientists Find Elusive Giant Black Hole Pairs

Astronomers have identified a bumper crop of dual supermassive black holes in the centers of galaxies.

Mysterious Dimming of Tabby's Star May Be Caused by Dust

One of the most mysterious stellar objects may be revealing some of its secrets at last.

NGC 4490 Is Bursting With Starbirth

This oddly-shaped galactic spectacle is bursting with brand new stars.

Statement on Impact of Hurricane Maria on Arecibo Observatory

With winds of 155 miles per hour, Hurricane Maria devastated the island of Puerto Rico Sept. 20.

The Strange Structures of the Saturn Nebula

The Saturn Nebula is located approximately 5000 light years away in the constellation of Aquarius (The Water Bearer).

Gravitational Waves from Black Hole Merger Observed

The LIGO Scientific Collaboration and the Virgo collaboration report the first joint detection of gravitational waves with both the LIGO and Virgo detectors.

Aging Star Blows Off Smoky Bubble

In the faint southern constellation of Antlia the careful observer with binoculars will spot a very red star, which varies slightly in brightness from week to week.

Is The Milky Way An Outlier Galaxy?

The most-studied galaxy in the universe - the Milky Way - might not be as "typical" as previously thought, according to a new study.

Stellar Nursery Rho Ophiuchi As Seen By Herschel

This image shows Rho Ophiuchi, a vast stellar nursery where new stars take shape from billowing clouds of gas, as viewed by ESA's Herschel observatory.

Phenomena across the Universe emit radiation spanning the entire electromagnetic spectrum -- from high-energy gamma rays, which stream out from the most energetic events in the cosmos, to lower-energy microwaves and radio waves.

Hubble Catches Starbursts in a Barred Spiral Galaxy

This Hubble Space Telescope picture shows NGC 5398, a barred spiral galaxy located about 55 million light-years away.

Small, Short-lived Drops of Early Universe Quark-Gluon Plasma?

Scientists reveal correlated flow of particles emerging from even the lowest-energy, small-scale collisions at Big-Bang particle collider.

Supernova Simulations Reveal Mysteries of Dying Stars

An international team of astronomers have created the longest consistent 3D model of a neutrino-driven supernova explosion to date, helping scientists to better understand the violent deaths of massive stars.