Direct impact: NASA's DART spacecraft successfully slams into asteroid

The DART mission is humanity's first-ever attempt to change the motion of an asteroid in space by intentionally crashing a spacecraft into it.

NASA's Artemis I launch delayed again because of tropical forecast

NASA has scrubbed Tuesday’s launch of the Artemis I moon rocket as Florida prepares for a potentially major hurricane.

Jupiter to reach opposition, make closest approach to Earth in decades — when to see it

Jupiter will soon reach opposition, appearing larger and brighter than at any other point of the year. At the same time, it’ll make its closest approach to Earth in nearly 60 years.

A new space race? China adds urgency to US return to moon

It's not just rocket fuel propelling America's first moonshot after a half-century lull. Strategic rivalry with China's ambitious space program is helping drive NASA’s effort, as both nations push to establish the first lunar bases.

Mysterious UFOs: A look at sightings in Minnesota

It’s been 43 years since Minnesota’s most infamous UFO sighting. Now decades later, hundreds of unidentified flying objects are still being reported across the state.

Blue Origin capsule blasts away from failing rocket during dramatic in-flight abort

Space tourism company Blue Origin had an unexpected test of its rocket’s in-flight abort system during a Monday morning launch, though no people were onboard at the time.

September's harvest moon: What to know

The next full moon is the harvest moon. Stargazers can see it, appearing opposite the sun in Earth-based longitude, at 5:59 a.m. ET on Saturday morning.

Artemis I scrubs again: Launch of NASA’s giant new moon rocket delayed by familiar foe

NASA is getting a lot of practice prepping its new moon rocket for flight. For the second time this week, technical problems forced the agency to scrub the launch of its Artemis I mission.

Artemis 1 countdown resumes for Saturday launch; weather forecast improves

All eyes are on Florida's Space Coast to see history in the making Saturday as NASA attempts to launch a mega moon rocket on a 37-day mission that will orbit the moon and return back to Earth.

Newly discovered 'super-Earth' exoplanet could be 'water world'

While the planet may be nearly double the size of Earth, initial observations and calculations indicate the planet is five times denser -- which could be consistent with a surface covered in a very deep ocean.