On a clear night, it dominates the sky, bright enough to cast shadows and large enough for dark patches and surface features ...

A meteorite found in the Sahara is forcing scientists to rethink what kinds of worlds once circled the young sun. The rock, ...

A rare Sahara Desert meteorite revealed a lost Mars-sized planet from the solar system's first million years. The post ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

A Jupiter-mass planet orbiting the millisecond pulsar PSR J2322-2650 completes a full year in roughly 7.8 hours, placing it ...

Astronomers have catalogued more than five thousand planets orbiting distant stars, and a handful of them defy almost ...

Instead they circled a pulsar, the dead remains of an exploded star. Clearly nature excels at making planets, even under ...

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...

While our Sun prefers to go solo, many other stars are parts of binary systems, with a pair of stars gravitationally bound to each other. In some cases, the stars are far enough apart that planets can ...

WASHINGTON, April 22 (Reuters) - Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is vaporized by stellar heat, trailed by a ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...