"We've Never Seen Anything Quite Like This": A Strange Ten-Sided “Structure” Has Been Spotted on Saturn's North Pole

NASA Found Strange Holes on Mars. Scientists Aren't Sure What Made Them.

NASA's Curiosity rover celebrates 5,000 Martian days on Mars amid the discovery of mysterious holes of unknown origin.

Biology’s four-letter DNA alphabet just expanded to eight

Astronaut’s Before-and-After Photos Show How Cities Switched From Orange to White Light

Astronaut photographs captured 12 years apart reveal a dramatic global shift in city lighting from orange glows to bright white LED illumination.

Northern Lights Could Be Visible From These Nine States Tonight

China on track to launch Mars sample-return mission in 2028: 'If accurate, this represents a Sputnik moment'

China moves to launch a Mars sample-return mission in 2028, prompting comparisons to a Sputnik moment from a former NASA expert.

Fossilized eggs of the largest known dinosaurs have been unearthed in an unexpected place

Fossilized eggs belonging to titanosaurs reveal these massive dinosaurs nested in cold environments.