The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

Astronomers have discovered a strange new type of exoplanet known as a Hycean world—an ocean-covered planet with a thick ...

Add Yahoo as a preferred source to see more of our stories on Google. SAN DIEGO, Calif. (FOX 5/KUSI) — Dr. Neil deGrasse Tyson is coming to the Civic Theater in San Diego to talk about the planets and ...

The episode begins with a cold open, in which aliens called Malcorians have discovered that Riker (Jonathan Frakes) was living among them, surgically disguised as a Malcorian. What makes this episode ...

Scientists might have just found Earth's icy, distant cousin a few hundred light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is potentially the ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts a potential volcanic exomoon between the exoplanet WASP-49Ab, left, and its parent star.

After setting social media abuzz by saying on a podcast over the weekend that aliens were real, former President Barack Obama said he didn't see evidence that aliens "have made contact with us." ...

President Donald Trump on Thursday night said he would declassify government files related to alien life and unidentified flying objects, citing the “tremendous interest” in the topic, an announcement ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...