It’s hard to picture now, but Earth’s deep blue oceans were once green. According to a new study by Japanese researchers, ...

A planetary scientist explains new research explaining the differing compositions between space rocks that hit Earth and are brought back.

NASA's Perseverance rover finds hundreds of mysterious spheres on Mars, raising exciting questions about the Red Planet's history and possible signs of life.

Upon discovery, astronomers were surprised to discover that the comet was already quite bright, shining at a magnitude of 10.

Asteroid 2023 KU, comparable to a 35-story building, will safely pass Earth on April 11, 2025, at a distance twice that of ...

NASA’s Perseverance and Curiosity rovers are uncovering some very strange rocks on the Martian surface. From "zebra stripes" ...

It’s cut day at Augusta National. On Friday the field will be cut down to the top 50 players plus ties that will advance to the weekend at the 89th Masters Tournament.

Scientists with NASA's Perseverance rover are exploring what they consider a veritable Martian cornucopia full of intriguing rocky outcrops on the rim of Jezero Crater. Studying rocks, boulders, and ...

Methane emissions in Sweden’s Siljan Ring lakes are up to 300 times higher than expected, raising climate concerns.

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

For example, the deep red stripes are rich in iron oxides, the yellow layers contain abundant iron sulfide and the green ...