A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

"This research dramatically reduces the timeline for discovering hydrogen production materials, bringing commercialization ...

Methane gas may signal an atmosphere or geological activity on a distant dwarf planet located at the outer edge of the Solar System. A research team led by the Southwest Research Institute has ...

The federal government’s ability to regulate greenhouse gases depends on a 2009 scientific determination. The Trump ...

Exoplanets are worlds outside our solar system. Just over three decades ago, the first exoplanets were confirmed by Aleksander Wolszczan and Dale Frail. Now, with the aid of Nasa spacecraft and ...

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

The official number of planets outside our solar system has reached 6,000, according to space scientists. NASA's tally of ...

ATLANTA (AP) — Health Secretary Robert F. Kennedy Jr.’s new vaccine advisory committee meets Thursday to begin a two-day ...

Scientists discovered "dark oxygen" produced by deep-sea polymetallic nodules deep below sea level, redefining our ...

Although ‘steam worlds’ were first proposed about twenty years ago, they are now supported by observations. The James Webb Space Telescope has detected water vapor around several sub-Neptunes, with ...

Roger Wiens has been a Mars explorer since he was 11 years old. He now leads the SuperCam instrument team on NASA’s Mars ...

The best-selling author of the Strange Planet series, Nathan Pyle, is in town touring for his first children's book. He'll be visiting schools Thursday and signing books Friday at the DaVinci Science ...