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NASA is returning four astronauts to Earth early from the International Space Station due to a medical concern with one of the Crew-11 astronauts. Here's the latest news.

"Microgravity pushed evolution into corners of the phage we still don't fully understand"

"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used to understand the physics that govern black hole jets."

The Orion Nebula is the closest large star-forming region, located within the Milky Way just 1,500 light-years from Earth.

Space apparently changes your frame of mind in more ways than one.

On January 13, 1978, NASA selected its eighth and most diverse class of astronauts yet.

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Astronauts on the International Space Station were not only treated to a sight from Earth's atmosphere recently but also caught a glimpse of one of the Milky Way's nearest galactic neighbors.

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is beginning to speed up near the end of the star's life.

A California-based start-up wants to open a hotel on the moon by 2032 and is now accepting bookings for the out-of-this world travel experience.