Wolf tracked near Yosemite for 1st time in 100 years

Gray wolves were eradicated in California early in the last century because of their perceived threat to livestock. Their reappearance in the state has riled ranchers, who say wolves have preyed on their livestock on public or private land.

Astronauts perform spacewalk to prepare ISS for new solar wings

NASA's Kate Rubins and Victor Glover ventured out Sunday to install support frames for new, high-efficiency solar panels arriving at the International Space Station later this year.

NASA's Perseverance rover beams back first images, audio recordings from Mars

NASA has unveiled high quality images from the Perserverance rover’s initial entry into Mars, as well as never-before-heard audio of a Martian breeze captured by the rover.

29-year-old bone cancer survivor chosen to join billionaire on SpaceX flight

Hayley Arceneaux will become the youngest American in space when SpaceX’s first private flight launches this fall - and the first with a prosthesis.

Deputies help rescue baby owl that lost its home

The baby is now being taken care of by the nonprofit Wild at Heart Wildlife Sanctuary.

Touchdown confirmed! NASA's Perseverance rover lands on Mars

After successfully landing on Mars, NASA’s Perseverance rover will go on to search for signs of ancient life on the red planet.

Baby right whale killed by boat; only about 400 right whales left in the world

'A VERY SAD EVENT': "Every mortality that occurs really has a devastating impact on the population as a whole, because they are one of our most critically endangered whales in the world. Every whale counts."

UAE, China and US spacecrafts will reach Mars in quick succession

After hurtling hundreds of millions of miles through space since last summer, three robotic explorers are ready to hit the brakes at Mars.

The ‘Wolf Moon’ will light up the night sky this week: How to get the best view

According to NASA, the moon will reach peak illumination at 2:16 p.m. EST. However, the Moon won’t be visible until it rises above the horizon around sunset.

Remembering Challenger: 35 years since tragic explosion

Hundreds of people in Florida and millions watching on live television witnessed the space shuttle Challenger break apart in a mid-air explosion on January 28, 1986, killing 7 people on board.

'Cookie Monster' gemstone found in Brazil goes viral

A geologist recently discovered a gemstone in Brazil that looks just like Cookie Monster from "Sesame Street." The scientist said he's been offered $10,000 for the rare rock.

Brood X: Billions of cicadas set to emerge in eastern US after 17 years

Brood X, the largest and most widespread brood of cicadas in the U.S., is set to emerge from the ground this spring after 17 years.

Researchers discover new whale species in the Gulf of Mexico

Scientists have been tracking this specific animal since the late 1990s but only now have determined the whale is completely unique and in a species of its own.