On May 2, scientists from MIT, the University of Liège, and elsewhere announced they had discovered a planetary system, a mere 40 light years from Earth, that hosts three potentially habitable, Earth-sized worlds. Judging ...
Astrophysicists have taken a major step forward in understanding how supermassive black holes formed. Using data from Hubble and two other space telescopes, Italian researchers have found the best evidence yet for the seeds ...
Astrophysicists at the University of Arkansas have discovered a mechanism for the formation of the spiral arms in disk galaxies.
Like cosmic ballet dancers, the stars of the Pleiades cluster are spinning. But these celestial dancers are all twirling at different speeds. Astronomers have long wondered what determines the rotation rates of these stars.
Three astronauts blasted off into the early morning sky in an upgraded Soyuz spacecraft from Russia's Baikonur cosmodrome Thursday, heading towards the International Space Station.
Tightly spaced planets inside an alien solar system known as Kepler-80 boast a rare orbital configuration.
NASA's Hubble Space Telescope has uncovered two tiny dwarf galaxies that have wandered from a vast cosmic wilderness into a nearby "big city" packed with galaxies. After being quiescent for billions of years, they are ready ...
Lie on the beach this summer and your body will be bombarded by about sextillion photons of light per second.
SpaceX aims to launch another load of space station supplies for NASA, including a critical docking port needed by new U.S. crew capsules set to debut next year.
With more private spaceship traffic expected at the International Space Station in the coming years, two spacewalking US astronauts installed a special parking spot for them on Friday.