August 19, 2019, 2:54 p.m. by Christian Cotroneo
It took 900 million years for the ripples to reach Earth.
Life on other planets may glow like coral to protect itself from an angry sun
August 16, 2019, 4:14 p.m. by Christian Cotroneo
Alien life may be stunningly beautiful.
Scientists detect more repeating radio signals from deep space
August 16, 2019, 3:39 p.m. by Bryan Nelson
These repeating signals may offer clues to what causes them.
For the first time, scientists capture a shockwave bursting from the sun
August 15, 2019, 8:24 a.m. by Christian Cotroneo
It took four years for specialized satellites to catch one.
Scientists baffled by sudden brightness of our galaxy's supermassive black hole
August 12, 2019, 2:37 p.m. by Christian Cotroneo
Sagittarius A* flashed 75 times brighter than ever recorded.
Scientists find vast, ancient galaxies hiding in plain sight
August 8, 2019, 2:25 p.m. by Christian Cotroneo
They were invisible to Hubble.
Why Bill Nye's solar sail matters for the future of space travel
August 8, 2019, 8:20 a.m. by Ben Bolton
LightSail 2 propels itself from Earth using only sunlight.
The black hole at the heart of this galaxy may be among the biggest in the universe
August 6, 2019, 2:31 p.m. by Christian Cotroneo
It's in a class beyond 'supermassive'.
This newly discovered star may have been around when the universe was still a baby
August 5, 2019, 12:38 p.m. by Christian Cotroneo
It may even shine light on the first stars that ever formed.
Every solar system model you've seen is wrong
The 2024 total solar eclipse may 'outshine' 2017
GoPro sent to the edge of space discovered two years later
NASA cancels first all-female spacewalk due to shortage of spacesuits in correct size
4 theories about how the moon formed
A black hole met a neutron star and swallowed it 'Pac-man' style