Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to ...

"A strong magnetic field is very important for life on a planet." ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Scientists from the California Academy of Sciences described 72 new species last year, from elegant birds to strange sea ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

New research suggests Earth’s water came from sources other than meteorites, challenging long-standing theories on planetary ...

More planets could be homes for aliens than we thought, scientists say - Planets we thought were not inhabitable might ...

Add Yahoo as a preferred source to see more of our stories on Google. Telescopes helped researchers track the planet. Britta Pedersen/dpa A free-floating planet drifting through space is being closely ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift alone through the Milky Way. Astronomers call these objects free-floating ...