This 'fish doorbell' cam from the Netherlands is attracting millions

The Dutch city of Utrecht has installed a “fish doorbell” that lets online viewers alert officials when fish are stuck at a lock, helping them migrate to spawning grounds. The livestream project has drawn millions of viewers worldwide.

NASA's long-overdue astronauts return to Earth

Two astronauts, who spent more than nine months in orbit after a bungled Boeing test flight, have finally said goodbye to their orbiting home.

Photos: Lunar lander gets rare view of eclipse from the moon

While Earthlings were watching the moon turn blood red during Friday morning’s lunar eclipse, a robotic lander on the moon was looking back and getting a very different – and very rare – view.

Watch: Snowboarder outruns avalanche on Mount Washington

Footage from an observatory captures the snowboarder's near encounter with the avalanche in New Hampshire.

Cougar cubs spotted in Michigan for first time in 100 years

For the first time in a century, cougar cubs have been seen and confirmed in Michigan. The big cats were hunted out of existence in the Upper Peninsula in the early 1900s.

March's 'Blood Moon' lunar eclipse happens tonight: How to see it

A total lunar eclipse will take place during tonight's Worm Moon, making it a "Blood Worm Moon." Here's how to see it.

Alaska’s Mount Spurr could erupt in weeks, scientists warn

Scientists warn that Alaska’s Mount Spurr is showing signs of increased activity and could erupt in the coming weeks or months. An eruption could lead to widespread ashfall in Anchorage and surrounding areas, potentially disrupting flights at one of the world’s busiest cargo airports.

SpaceX astronaut launch scrubbed due to technical issue

Two astronauts – whose one-week trip to the space station turned into a nine-month-long politically charged saga – will be spending at least one more day in space.

Great Lakes shipwreck discovered 132 years later reveals tragic story

Using a remotely operated vehicle, teams were able to find the wreck of the Western Reserve steamship, which sank on Aug. 30, 1892.

Where storms could spoil total lunar eclipse Thursday night

The Moon will appear to glow "blood red" on Thursday night and into Friday morning during the total lunar eclipse.

Labradors’ overeating gene may explain human obesity risk, researchers say

A gene linked to obesity in Labradors is the same one found in humans, scientists say. The discovery could help researchers understand how genes influence appetite and weight gain.

Blue Ghost lunar lander touches down on moon for NASA delivery

Firefly Aerospace’s Blue Ghost lander aced a touchdown on the moon Sunday to deliver experiments and supplies for NASA.

Earth is in the clear: Asteroid 2024 YR4 impact chances drop to nearly zero

Earthlings can keep their plans seven years from now after scientists have officially declared Asteroid 2024 YR4 is not a threat to our planet.