Satellite News

SpaceX’s Starship SN9 vehicle may attempt its first launch during a three-day window that closes Jan. 27.

SpaceX’s Starship SN9 vehicle may attempt its first launch Monday (Jan. 25) during a three-day window that closes Jan. 27.

A supermoon happens when the full moon coincides with the moon’s closest approach to Earth. Supermoons make the moon appear a little brighter and closer than normal, although the difference is hard to spot with the naked eye.

The planets around a star called TOI-178 know how to keep a beat — so smoothly, in fact, that scientists were able to discover new alien worlds by deciphering the system’s music.

On January 25, 2004, NASA’s Opportunity rover landed on Mars! See how it happened in our “On This Day In Space” series!

Space.com recently talked with Breakthrough Initiatives executive director Pete Worden about a signal coming from the vicinity of Proxima Centauri, and about the search for alien life more generally.

Most stars in the universe today are found in massive galaxies called ellipticals, named for their stretched-out-circle shape.

An ongoing investigation of the December collapse of the iconic radio telescope at Arecibo Observatory in Puerto Rico offers early evidence a manufacturing issue may have contributed to the failure.