NASA has finished a crucial step toward getting its Artemis II moon mission off the ground, and is now targeting early April to send four astronauts on an unprecedented path.

New observations have ruled out the chances of an asteroid hitting the moon in 2032, according to scientists using the James Webb Space Telescope.

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

Wild scarlet monkeyflowers in California survived a historic drought by relying on a rapid evolution, marking the first time the process has been observed in the wild.

The war with Iran is laying bare the dangers posed to commercial ships and planes by the rise of GPS interference in and around conflict zones.

The NASA DART spacecraft shifted the orbits of two asteroids around the sun after intentionally crashing into one of them.

A recently uncovered 14th century shipwreck with a huge cargo of Yuan Dynasty porcelain offers a window into the storied Chinese craft during the era of the Mongol Empire.

Federal data shows the NIH lost about 4,400 people — more than 20% of its workforce. Scientists say the departures harm the U.S.’ ability to respond to disease outbreaks, develop treatments for ...

A total lunar eclipse, or blood moon, will make the satellite glow red across Asia, Australia, the Pacific and the Americas.

CNN’s newsletters cover a variety of topics, from daily news to lifestyle content, markets info to medical news. Subscribe to get the latest information right to your inbox.