The Polaris Dawn crew is back on Earth, splashing down in the waters off the coast of Florida early Sunday morning.

Link Between NASA's DART Collision and Meteor Showers The DART mission is one of NASA’s initiatives to protect Earth against ...

SpaceX late Sunday announced it has scheduled early Tuesday for its historic launch of the manned Polaris Dawn mission ...

Two private astronauts aboard a SpaceX spacecraft—including tech billionaire Jared Isaacman—completed the first-ever ...

But this man was left absolutely mind-blown when he got to look through a brand new telescope and take a picture of what he found up in space. TikTok creator Nick Jackson had the opportunity to ...

Yes, you really can climb a building by jumping back and forth between two opposing walls. Thank you, Isaac Newton.

The Hubble mission is risky and could also go horribly wrong. Instead of saving the telescope ... look like Michelin-man anachronisms. “We are going to pave the way by pushing the envelope ...

The mission's science wouldn't be possible without a spacecraft to transport the telescope, point the observatory toward different cosmic targets, provide power, communicate with Earth, control and ...

The Polaris Dawn mission, which is being piloted by a New Hampshire man, launched at 5:23 a.m. Tuesday after an initial launch for 3:38 a.m. was delayed due to unfavorable weather conditions.

Scientists and engineers are ready to fly an infrared mission called EXCITE (EXoplanet Climate Infrared TElescope) to the edge of space. “EXCITE can give us a three-dimensional picture of a planet’s ...

The most ambitious private spaceflight to date was a total success—and it blazed a trail for others to follow.

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep into space. We have some incredibly powerful telescopes that have given ...