It happened 4.5 billion years ago, when the solar system was full of orbiting space rocks. This debris clumped up in a ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million years. Uranus and Neptune were next, within 10 million years. The inner ...

As more of the solar system has been explored and imaged, all kinds of geographical features have been mapped on many of our ...

Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into ...

Flower Mound, Texas, was named one of the best places to live in the U.S. The James Webb Space Telescope has peered into the ...

The 950-foot hunk of primordial matter is classified as a "potentially hazardous asteroid," but that doesn't mean it has a ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A ...

The asteroid, with a diameter of about 950 feet will come close enough to Earth on Friday to warrant astronomers keeping a ...

A meteorite found in Antarctica in 2012 suggests Earth may have formed with the materials needed to make water, a new study ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17 ... These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent ...

Scientists directed NASA’s Perseverance rover to take an image of the Martian sky after a solar storm in hopes that an aurora ...

Kosmos-482, a spacecraft bound for Venus in 1972, was a time capsule from the Cold War when superpowers had broad ambitions ...