This serene spiral galaxy hides a cataclysmic past. The galaxy IC 758, shown in this NASA/ESA Hubble Space Telescope image, ...

Using NASA's Chandra spacecraft and ESA's XMM-Newton satellite, astronomers have investigated the galaxy NGC 7793, searching ...

Portal Space Systems will create a second factory to scale up production of high-performance in-space vehicles as it gears up ...

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so ...

Redditors are shocked after seeing how the Hubble Space Telescope captured 'light echoes' after a star went supernova ...

New NASA breakthroughs in space observation reveals black holes firing jets at nearly light speed and ancient cosmic events ...

Behind this galaxy’s calm facade lies the fingerprint of a long-dead giant star. A violent supernova once rocked its ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

What happens when the universe's most magnetic object shines with the power of 1000 suns in a matter of seconds? Thanks to ...

The US space agency has discovered a mysterious object which is sending signals to Earth every 44 minutes. Located about ...

T Coronae Borealis, a binary star system about 3,000 light years away, is usually far too dim to see with the naked eye. However, after the star goes nova, the system is expected to be as bright as ...

Astronomers at the University of Hawaii uncovered black hole events so packed with energy, they were the biggest explosions seen since the Big Bang.