There might be a type of exoplanet without dry land. They're called "Hycean" worlds, a portmanteau of "hydrogen" and "ocean." ...

How common are Earth-like exoplanets—also called exo ... to address as a team of researchers investigated potential targets for the planned Habitable Worlds Observatory (HWO), which was ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

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

The Japanese government is considering joining a U.S.-led initiative to develop a space telescope aimed at searching for ...

Ultimately, we may need a multi-telescope strategy to truly identify habitable exoplanets, said Carone. The exciting thing about rocky planets is their complexity, which demands highly ...

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA's Chandra X ...

The Chinese Academy of Sciences says that a search for habitable exoplanets could be one of several key Chinese space missions set to launch over the next several years. A fictional spacecraft ...

An exoplanet is a planet from a different star ... liquid water on a planet's surface is sometimes referred to as the habitable zone or the Goldilocks zone—because, like Goldilocks' porridge ...

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