An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers ...

A team of astronomers has identified a four-planet system orbiting the red dwarf star LHS 1903 that defies conventional expectations about how planets arrange themselves around their host stars. The ...

Astronomers discover an unusual planetary system with a rocky planet formed outside its gaseous neighbors, challenging ...

A comet wandering through space was observed to abruptly slow its rotation, stop completely, and then begin spinning in the ...

The system, observed using the European Space Agency's Cheops space telescope, consists of four planets — two rocky and two ...

Astronomers want to collect as much data as possible using as many systems as possible. Sometimes that requires coordination ...

Making space memorials accessible, affordable, and real for millions of American families. With a confirmed launch ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding ...

Back in the earliest days of human history, long before even I was born, skywatchers noticed that the moon and planets drifted from month to month among ...

SpaceX's planned 2026 IPO could be good news for space stocks -- but it will more likely be bad news.

With highly efficient radioisotope batteries, Deep Space Energy aims to multiply the lifespan of lunar rovers and strengthen Europe's sovereignty in space.

Powerful storms on the Sun create weather in space that can cause major problems. Researchers believe a national space weather service is necessary for safety and preparedness.