ExoMars returns first images from new orbit
The ExoMars Trace Gas Orbiter has returned the first images of the Red Planet from its new orbit.
Astronomy & Space news
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Stellar thief is the surviving companion to a supernova
Seventeen years ago, astronomers witnessed a supernova go off 40 million light-years away in the galaxy called NGC 7424, located in the southern constellation Grus, the Crane. Now, in the fading afterglow of that explosion, ...
Rossi X-ray Timing Explorer spacecraft to re-enter over tropics
Fragments of the Rossi X-ray Timing Explorer (RXTE) spacecraft, a NASA mission to observe the time variation of astronomical X-ray sources, are expected to fall to Earth on or about May 1. The mission was terminated and the ...
Stellar dust survey paves way for exoplanet missions
Veils of dust wrapped around distant stars could make it difficult for scientists to find potentially habitable planets in those star systems. The Hunt for Observable Signatures of Terrestrial Systems, or HOSTS, survey was ...
A Yellowstone guide to life on Mars
A University of Cincinnati geology student is helping NASA determine whether life existed on other planets.
Video: Sentinel-3B liftoff
The second Copernicus Sentinel-3 satellite, Sentinel-3B, lifted off on a Rockot from the Plesetsk Cosmodrome in northern Russia at 17:57 GMT (19:57 CEST) on 25 April 2018. Sentinel-3B joins its twin, Sentinel-3A, in orbit. ...
Astronomers witness galaxy megamerger
Peering deep into space—an astounding 90 percent of the way across the observable universe—astronomers have witnessed the beginnings of a gargantuan cosmic pileup, the impending collision of 14 young, starbursting galaxies.
Projectile cannon experiments show how asteroids can deliver water
Experiments using a high-powered projectile cannon show how impacts by water-rich asteroids can deliver surprising amounts of water to planetary bodies. The research, by scientists from Brown University, could shed light ...
Gaia creates richest star map of our Galaxy—and beyond
ESA's Gaia mission has produced the richest star catalogue to date, including high-precision measurements of nearly 1.7 billion stars and revealing previously unseen details of our home Galaxy.
