Watch: 'Ring of fire' solar eclipse stretches from Oregon to Brazil

Today's solar eclipse is known as a "ring of fire" eclipse for the bright, blazing border that appears around the moon for as much as five minutes.

3 astronauts back on Earth after being stuck in space for a year

One of the astronauts that returned to Earth Wednesday is a NASA astronaut, who now holds the record for the longest U.S. spaceflight as a result of the unexpected extended stay.

NASA reveals latest weapon to 'search the heavens' for UFOs, aliens

According to a NASA study, artificial intelligence will be key if NASA tries to find scientifically provable alien life and the existence of UFOs.

James Webb telescope captures colorful bursts of gas, dust in new image

The star is a few tens of thousands of years old, a baby compared to our sun which is estimated to be about 4.5 billion years old.

Space Force sets new record with surprise satellite launch

The U.S. Space Force says it set a record for sending a satellite into space on short notice – just a 24-hour timeframe, instead of weeks or months – calling it a "major advancement" of its capabilities.

NASA releases UFO report with no evidence of extraterrestrial origin

NASA Administrator Bill Nelson said the agency wants to shift the conversation about UFOs “from sensationalism to science.”

Webb telescope detects possible signs of life on distant planet

Located about 120 light-years from Earth in the constellation Leo, K2-18 b lies within the habitable zone of a nearby star.

NASA's Mars rover instrument MOXIE generates enough oxygen for small dog

The Mars Oxygen In-Situ Resource Utilization Experiment, or MOXIE, is a microwave-sized device that takes unbreathable Martian air and turns it into oxygen humans – and dogs – rely on.

NASA astronaut Frank Rubio breaks US record for longest spaceflight

NASA astronaut Frank Rubio now holds the record for the longest U.S. spaceflight. Rubio surpassed the U.S. record of 355 days on Monday at the International Space Station.

Rare 'Red Leader' X-wing Starfighter miniature from 'Star Wars' hits auction block at $400K

Star Wars enthusiasts have a unique opportunity as a historic relic from the iconic franchise, the "Red Leader" X-wing Starfighter filming miniature, is set to be auctioned by Heritage Auctions.

New comet to sweep past Earth: How and when to see it

Stargazers should catch a glimpse of the comet as soon as possible — it will be another 400 years before it returns.

NASA releases first images from pollution-monitoring satellite in space

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few square miles.