A distant star has just been caught in the act of destroying one of its own worlds, a violent finale astronomers have long predicted but never directly seen. The event offers a preview of the kind of ...

Scientists find that planets need more than water to support life. Too little water may cause long-term overheating and ...

Earth is not a quiet rock in space. Deep inside, there is a molten interior that stays extremely hot, shifting slowly and ...

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...

In a year of grim climate and environment news, we’ve compiled several hopeful signs about our planet’s future.

Planets can't remain habitable for long without a massive hidden supply of water.

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up surprises. A new paper reveals the latest: a possible rocky planet slightly larger ...

Study finds dry exoplanets may not support life without enough water to maintain their carbon cycle, even if they are in the ...

Cirrus-like clouds have been discovered on a giant planet 12 light-years away, a finding that could change the search for ...