Mitral valve prolapse, also known as click-murmur syndrome, Barlow's syndrome, balloon mitral valve, or floppy valve syndrome, is the bulging of one or both of the mitral valve flaps (leaflets) into ...

21 with more details about the incident. TAMPA, Fla. — The Intelsat 33e satellite has broken up in geostationary orbit (GEO) and lost power, ceasing communications services for customers across ...

Valve, the renowned gaming company behind Steam, has officially announced plans to develop new gaming hardware, building on the success of previous products like the Steam Deck, Steam Controller ...

"Gliese 229B was considered the poster-child brown dwarf, and now we know we were wrong all along about the nature of the object. It's not one but two." A well-studied cosmic object has stunned ...

Designed by Boeing and operated by the US Space Force (USSF), this remotely operated, reusable space plane is designed to operate in Low-Earth Orbit (LEO), 240 to 800 kilometers (150 to 500 miles) ...

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until ...

The robotic X-37B has been in a highly elliptical, undisclosed orbit for 10 months since launching on its seventh mission on a SpaceX Falcon Heavy rocket in late December last year. The space ...

Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin. HELSINKI — China launched a new communications satellite towards geostationary ...

A U.S. X-37B space plane is slated to test a new way of rapidly changing its orbit, part of the Space Force’s quest for fuel-sipping maneuverability. The spacecraft will experiment with ...