New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

NASA's Jonny Kim and two cosmonauts are scheduled to land just after midnight on Tuesday (Dec. 9). Three astronauts will come ...

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...

Inside the American Museum of Natural History's glass cube, the Frederick Phineas and Sandra Priest Rose Center for Earth and ...

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

For the first time, we can see and hear lightning-like discharges in Mars' thin atmosphere.

3I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

NASA is closely monitoring a bus-sized asteroid, “2025 XF1,” which is rapidly approaching Earth this week. With speeds of ...

This year’s ozone hole over Antarctica ranked among the smallest since the early 1990s, reflecting steady progress from ...