On July 5, 2021, Earth will be at the farthest point in its orbit around the sun, also known as aphelion.
NASA's Mars rover Curiosity posed for a selfie in front of a beautiful Martian rock outcrop called "Mont Mercou" after probing the area for clues about the Red Planet's past.
Skywatchers in southern South America were treated to a total solar eclipse on Monday (Dec. 14), and a weather satellite captured stunning views of the event from space.
Scientists have discovered a cold, faint "super-planet" that has remained elusive to traditional infrared survey methods.
A bright green meteor streaked across the southern coast of Tasmania, Australia, and researchers caught the fireball on camera as it broke up over the ocean.
Scientists have uncovered new evidence of the mysterious fluorescent debris that makes up the Blue Ring Nebula.
NASA's OSIRIS-Rex spacecraft will "TAG" asteroid Bennu Tuesday (Oct. 20) and collect a sample for return to Earth.
NASA powered up its Mars helicopter Ingenuity for the first time on Aug. 7 and tested the little craft's electronics.
The red supergiant star Betelgeuse is nearing the end of its life, and researchers are preparing for what it will look like when the star dies in a fiery explosion called a supernova.
The Taal volcano eruption in the Philippines this week sent ash plumes 9 miles (14 kilometers) into the air, new satellite imagery shows.
Despite the apparent shrinkage of clouds in Jupiter's Great Red Spot, the storm itself is still going strong, new research suggests.
Astronauts on the International Space Station will begin testing an innovative algae-powered bioreactor to assess its feasibility for future long-duration space missions.
A giant ring of black holes has been discovered 300 million light-years away, offering new clues about what happens when galaxies collide.
NASA's Magnetospheric Multiscale (MMS) spacecraft has detected magnetic activity occurring in a new and surprising way in the environment of near-Earth space.
Supermassive black holes near the center of our Milky Way galaxy may have transformed "mini-Neptune" exoplanets into rocky "super-Earths," new research shows.
Stunning views show the snow-covered dunes on the edge of the Sahara Desert — an area known to be one of the hottest places on Earth.
Is the trick to cutting cravings for sugary foods as simple as getting a good night's sleep? A new small study from the United Kingdom suggests that may be the case.
A rare, vivid green bird with radiant yellow feathers on its head is actually a unique hybrid species living in the Amazon rainforest, researchers have found.
If you're feeling stressed, a whiff of your romantic partner's shirt may help you feel more relaxed, a new study shows.
Scientists have discovered a bizarre new species of marine worm that lacks a number of internal features common to other animals — including an anus.
Scientists have discovered out-of-this-world minerals at the site of a 60 million-year-old meteorite impact on Scotland’s remote Isle of Skye.