CAPE CANAVERAL, Fla — In a tantalizing first, scientists have discovered water at a planet outside our solar system that has temperatures suitable for life. Two research groups announced this week ...

Explore the Earth and Mars comparison to discover why Earth is the perfect habitable planet, uniquely sustaining life on ...

The evidence that an ocean-covered moon orbiting around Saturn could support life just got a little stronger. Enceladus, a small moon harboring a vast ocean beneath its icy surface, has long been ...

New research reveals that nickel and urea once throttled Earth’s earliest oxygen producers, delaying the planet’s ...

New research indicates that early Martian volcanoes may have emitted reactive sulfur gases that warmed the planet and supported conditions suitable for microbial life. Although scientists are still ...

No life has been found on Saturn's 310-mile-wide moon Enceladus. Tthe team of researchers turned to observations made by NASA’s Cassini spacecraft in 2008 during a close flyby of Enceladus to find new ...