NASA’s double-asteroid redirection test, launched in 2022, was an actual experiment in space. It sent a rocket to strike an ...

A stronomers detected a 40-to-80-meter asteroid, dubbed a “city killer,” with the potential to collide with Earth in 2032, ...

A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using microlensing, astronomers spotted the pair moving at over 1.2 million mph.

The launch of the Blue Ghost module, scheduled to land on the moon early next month, is a key step in creating an Earth–moon ...

DOGE leader and SpaceX CEO Elon Musk said it's time to speed up preparations to deorbit the International Space Station.

The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash into Earth in seven years now exceeds the the ...

The chances of asteroid 2024 YR4 colliding with Earth in 2032 hit a record high. Experts expect the risk percentage to fluctuate before likely dropping to zero. Here’s why.

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

There's a lot less sky and a lot more moon in view for Firefly Aerospace's "Ghost Riders in the Sky" mission.

The Quatermass series looms large over British sci-fi television, from Doctor Who to Bugs and beyond.

In February 2025, all seven of our planetary neighbors will be visible from Earth. So what does such a planetary alignment ...

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...