Space.com

Sputnik 1! 7 Fun Facts About Humanity's First Satellite

The Soviet Union's Sputnik 1 satellite took to the skies on Oct. 4, 1957, launching the space age and the Cold War space race. Here are a few fun facts you may not know about Sputnik 1 and its brief but world-changing mission.

Watch Live @ 2pm ET: NASA to Preview 3 Upcoming Spacewalks

Astronauts at the International Space Station will be conducting three spacewalks over the next three weeks. NASA is hosting a live briefing today (Oct. 2) at 2 p.m. EDT (1800 GMT) to preview the spacewalks.

The Most Amazing Space Stories of the Week!

A spacecraft flew past Earth on its way to an asteroid, lung samples landed from the International Space Station, Hurricane Maria hit Puerto Rico, and a unique asteroid pair was discovered in some of Space.com's top stories of the week.

NASA to Update EM-1 Schedule in October

NASA plans to publish a revised launch date for the first mission of its Space Launch System in October amid reports that the flight has been pushed back to nearly the end of 2019.

SpaceX to Phase Out Everything But Its Mars-Colonizing 'BFR' Rocket

SpaceX plans to eventually phase out the big rocket, which has yet to fly, as well as its Falcon 9 booster and Dragon capsule to concentrate on the Mars-colonizing BFR (Big F***ing Rocket) system, company founder and CEO Elon Musk announced Friday.

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