Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...

For over a decade, the Hubble Space Telescope meticulously observed our closest galactic neighbor, capturing over 1,000 ...

Scientists are cataloging and analyzing the first samples collected by NASA's Perseverance rover while the agency weighs its options for returning them to Earth.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...