A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Hera, a European spacecraft, is halfway to the Didymos asteroid system to study the impact of NASA’s DART mission.

A new kind of delivery system is being set up in low Earth orbit. Inversion Space, a relatively small space startup founded ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...

The tenth test was a relative success. SpaceX deployed test satellites for Starlink, its space-based broadband product, from ...

Planet has announced a new class of imaging satellites that will replace a line of spacecraft dating back to the company’s ...

Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency said in a news release. The exoplanet, known as TRAPPIST-1 e, orbits ...

Did you know that the current CO2 concentration in the Earth's atmosphere has peaked in the last million years? A further ...

"At this point, we can rule out TRAPPIST-1d from a list of potential Earth twins or cousins." There's bad news for our hopes of habitable planets existing around TRAPPIST-1, with the James Webb Space ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from outer space—specifically via a collision with a Mars-sized planet billions of ...