NASA astronaut reveals what prompted space station evacuation

NASA astronaut Mike Fincke prompted the first medical evacuation earlier this year from the International Space Station. He’s doing fine today and sharing details of what happened.

Video: Florida cat's face-to-face encounter with gator lurking outside home

A Florida homeowner captured a tense and unusual moment when his house cat came face-to-face with a young alligator just outside his home.

NASA moon base and Mars mission announced: What to know

NASA gave details of America’s future in space this week, laying out plans in the coming years to build a base on the moon and send a nuclear spacecraft to Mars.

Spiders the size of a human hand are spreading throughout the US

The frightening, brightly-colored large spiders are back, and experts say they are spreading rapidly across the U.S.

Suspected meteorite crashes into Houston woman's home amid citywide reports of 'boom'

Social media was buzzing with questions about a thunder-like noise shortly before 5 p.m. Saturday. A woman says a potential piece of the answer may have been what crashed through her roof.

NASA: Houston 'booms' caused by meteor; meteorites may be in the area

NASA now believes that a meteor was the cause of the loud “booms" heard across Houston on Saturday. They also say pieces of that meteor could still be in the area.

Meteor with 'loud boom' seen in Ohio, Pennsylvania

A loud boom heard around Ohio and beyond Tuesday morning was caused by a meteor, according to the National Weather Service Office in Cleveland.

Artemis II: What is the mission?

NASA’s Artemis II mission, the first crewed lunar mission in more than 50 years, is scheduled to launch in February and will send four astronauts on a flyby around the moon.

Dangerous asteroid no longer expected to hit the moon

For a brief time, "Asteroid 2024 YR4" was considered to be the most dangerous asteroid discovered in the last 20 years.