Your unusual chance to see a comet in the sky is here. C/2023 A3 Tsuchinshan-ATLAS was discovered by astronomers in 2023 — and will appear to the naked eye over the next couple weeks.

A severe solar storm is headed to Earth that could stress power grids even more as the U.S. deals with major back-to-back hurricanes, space weather forecasters said Wednesday.

A NASA spacecraft knocked into an asteroid two years ago to test planetary defense. Now, a new mission will inspect the damage, with the goal of helping future asteroid deflection.

Two astronauts were launched on a five-month mission that also hopes to rescue two NASA astronauts left behind on the ISS. The four are expected to return to Earth in February.

This time next year, NASA plans to send its first crewed mission to the moon in more than 50 years. NPR visited the facility to find out how astronauts are preparing for this high stakes exploration.

An newly discovered asteroid will be captured by Earth's gravity this fall. The "mini-moon" will spend about two months in Earth's orbit, before being flung back on its normal path around the sun.

A group of Black female scientists and mathematicians known as NASA's “Hidden Figures” were honored Wednesday with Congressional Gold Medals, the highest award given to citizens by Congress.

A NASA mission launching in October will send cameras and other scientific equipment to see, among other things, whether Jupiter's moon Europa could sustain life.

This month's harvest moon will not only coincide with a supermoon, but also with a blood moon and partial lunar eclipse.

The five-day trip, funded by internet entrepreneur Jared Isaacman, broke several records including the first-ever commercial spacewalk using SpaceX’s Crew Dragon capsule on Polaris Dawn mission.

Butch Wilmore and Suni Williams revealed what life has been like aboard the International Space Station after problems arose with their Starliner spacecraft, which returned home empty last week.

An internet entrepreneur and a SpaceX engineer have become the first private astronauts to walk in space.

New spacesuits, untested astronauts, and a lot that can go wrong make this five-day mission unusually complex, but with a potentially great reward.

An empty Boeing Starliner is scheduled to return from the International Space Station in early September. It will fly home autonomously while its crew remains in space until February.

The Federal Aviation Administration opened the investigation after a rocket booster toppled aboard a drone ship after it was returning from lofting SpaceX's Starlink internet satellites into space.