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China just launched three Long March rockets in less than 19 hours, setting a new national mark for liftoff cadence.

The supernova exploded over 13 billion years ago in a galaxy far, far away.

"This is certainly an outburst unlike any other we've seen in the past 50 years."

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

SpaceX launched the NROL-77 mission for the U.S. National Reconnaissance Office today (Dec. 9), sending a classified satellite skyward from Florida's Space Coast.

Two Chinese astronauts installed more debris shielding on the Tiangong space station and assessed the damage to the attached Shenzhou 20 spacecraft during a spacewalk on Tuesday (Dec. 9).

Humanity's exploration of Mars should be organized around the search for signs of past or present Red Planet life, according to a new report from the U.S. National Academies.

On Dec. 9, 2006, the first-ever Swedish astronaut launched to the International Space Station.

The image shows a good example of the phenomenon called airglow.

Auroras may be visible from Alaska to New York as an incoming coronal mass ejection is expected to slam into Earth today.