Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

Strange aliens could be hiding in gases, scientists say - Gases could be found relatively easily and quickly with existing ...

The study builds on previous research investigating different biosignature gases, including dimethyl sulfide, another ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the ...

Astronomers have long believed that the swirling disks of gas and dust that form planets around young stars last only about ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

The planet WASP-121b is extreme. It's a gas giant almost twice as big as Jupiter orbiting extremely close to its star–50 times closer than the Earth does around the sun. WASP-121b is so close to ...

WASP-121b is an "ultra-hot Jupiter," a class of large gas planets that orbit close to their host star, making them extremely hot. Its atmosphere is mainly composed of hydrogen and helium ...

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth.