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The billionaire's space-tourism venture is selling a stake that values the company at $1.5 billion.
Vice reports on the tech executives who want to find a UFO and reverse-engineer it, bringing its advanced technology to all of mankind.
Women have played crucial roles in NASA's history of space exploration.
Here’s every spacesuit NASA astronauts have worn since the 1960s — and new models that may soon arrive
Astronaut spacesuits debuted in the 1960s but continue to evolve as NASA and companies like Boeing and SpaceX push to explore the moon and Mars.
NASA astronaut Peggy Whitson has spent more days in space than any other American — here’s how much time US astronauts have logged in spac...
American astronauts have racked up an impressive amount of time in zero gravity. Here are the top 15 record-holding US astronauts.
Jeff Bezos hinted that Elon Musk should ‘go live on the top of Mount Everest for a year’ if he wants to populate Mars
During a private talk about his rocket company Blue Origin, billionaire Jeff Bezos indirectly discounted Elon Musk and SpaceX's plans to settle Mars.
Elon Musk says he is ‘confident’ people could afford to ‘sell their home on Earth’ and move to Mars on a SpaceX rocket
SpaceX founder Elon Musk said the first tickets to Mars may cost about $500,000 but eventually could cost less than $100,000 on his new launch system, Starship.
A ‘ridiculous’ yet simple animation by a NASA scientist shows how long it takes light to reach Pluto. If you plan to watch it, take a day ...
A scientist at NASA animated how long it takes light to travel from the sun to Pluto. The six-hour movie shows just how slow light-speed can be.
The speed of light is torturously slow, and these 3 simple animations by a scientist at NASA prove it
A scientist at NASA animated how long it takes light to travel around Earth, to the moon, and to Mars. The movies show just how slow light can be.
Apollo astronaut Jim Lovell, who saw Earth rise over the moon 50 years ago, says ‘you go to heaven when you are born’
"God has really given us a stage on which we perform," said Apollo 8 and Apollo 13 astronaut Jim Lovell. "How that play turns out is up to us."