Black holes regularly eject planet-sized 'cosmic spitballs'
January 24, 2017, 1:58 p.m. by Michael d'Estries
These massive rogue objects are capable of leaving the galaxy at speeds approaching 20 million miles per hour.
SpaceX rocket makes picture-perfect landing in Pacific Ocean
January 20, 2017, 11:46 a.m. by Angela Nelson
The private spaceflight company's first Falcon 9 rocket launch since an explosion last year goes off without a hitch.
Galaxies are being killed throughout the universe. What's killing them?
January 18, 2017, 11:03 a.m. by Bryan Nelson
Astronomers tackle one of the universe's great whodunnits.
Astronomers may have found a new way to detect alien planets
January 12, 2017, 6:09 p.m. by Bryan Nelson
New method looks for strange shadows in a star's disk.
Deep-space photo reveals thousands of supermassive black holes
January 11, 2017, 3:28 p.m. by Michael d'Estries
NASA's Chandra X-ray Observatory has uncovered a frightening array of black holes in an area of sky the size of the full moon.
2 stars could collide and light up the night sky in 2022
January 10, 2017, 11:13 a.m. by Bryan Nelson
The event is expected to create a 'luminous red nova' that will be visible to the naked eye from Earth.
This is what the first houses on Mars will probably look like
January 3, 2017, 8:37 a.m. by Bryan Nelson
NASA's so-called 'ice homes' are reminiscent of igloos.