The Amazon's largest fish makes a comeback

Even in the most biodiverse rainforest of the world, the pirarucu stands out: It can weigh up to 440 pounds, by far the largest of 2,300 known fish species in the Amazon.

Cougar spotted on trail cam in Northern Minnesota

A cougar was captured on camera for the first time by the Voyageurs Wolf Project, the group announced. 

Georgia officials warn drivers to take caution during busy deer season

The first two weeks in November are the most active for deer looking for love, so Georgia officials are warning drivers about the unpredictable and dangerous animals that may run into the road.

Emperor penguins now listed as threatened species

Emperor penguins will now receive new protections under the Endangered Species Act after the U.S. Fish and Wildlife Service says climate change is threatening to eradicate the species.

November total lunar eclipse offers celestial highlight amongst meteor showers and glowing planets

North America will experience its last total lunar eclipse in November until 2025. According to NASA, the weather can impact how red the moon will look. The more dust and clouds in Earth’s atmosphere, the redder the moon will appear.

First SpaceX Falcon Heavy launches from Florida in three years, creating double sonic booms

The first SpaceX Falcon Heavy rocket to launch in three years soared above a thick blanket of fog Tuesday morning sending a top-secret U.S. national security mission to space.

‘Planet killer’ asteroids close to Earth discovered hiding in sun’s glare, study finds

Two of the three asteroids that were discovered earned the title of “planet killers” because of their sheer size. If either of them impacted a planet, such as Earth, it would cause a mass extinction event.

Not from a horror film: When insects turn into ‘zombies’

This horror may seem like the stuff of nightmares, but for many insects and the parasites that turn them into “zombies,” this is just another day in the natural world.

Say cheese! Sun showcases smiley appearance

The sun is showcasing a very smiley jack-o'-lantern appearance just in time for Halloween.

Shark photobombs a shot by leaping into the air behind an unwitting surfer

Surfer Tyler Warren was catching some waves on the Southern California coast when Jordan Anast photographed the photobombing shark behind the surfer.

Hear and see the 'rare' impacts after large meteoroid hits Mars

Scientists revealed Thursday that two of its Mars robots recorded a sizable quake, leaving a crater bigger than any ever recorded in the solar system.

No, scientists didn't 3D-model Mary's husband, Joseph — that's Andre the Giant

A viral tweet this week claimed scientists at Stanford University had reconstructed a 3D model of how Joseph, the husband of Mary, might have looked.

Discovery could 'dramatically narrow' search for life on other planets

A new study says an Earth-like planet orbiting an M dwarf star, the most common type of star in our universe, appears to have no atmosphere. The finding could cause a major shift in the search for life.