An artist's concept of NASA's Habitable Worlds Observatory, a flagship space telescope for the 2030s and 2040s to search for ...

NASA’s $17.5 mn Habitable Worlds Observatory (HWO) aims to answer humanity’s ultimate question: Are we alone? With ...

"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...

The hunt for aliens goes hand in hand with the hunt for habitable planets. Astronomers are on the hunt for exoplanets with ...

Arecibo Observatory, located in Puerto Rico ... at the University of Puerto Rico at Arecibo. The group has a habitable planets catalog that tracks the number of alien worlds in other solar ...

Only after that could rocky planets form, and by extension, habitable planets. That’s been axiomatic in astronomy.

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets ...

Called the Habitable Worlds Observatory, the telescope is so massive it may even need to ride a next-gen megarocket like SpaceX's Starship to reach space; it will also require new technological ...