Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

A recent breakthrough in astronomy has illuminated the mysterious dynamics of a binary star system, HD 135344 AB, where a giant planet was discovered orbiting the primary star— a star that had ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

Solar flares, blasts of plasma gasses of solar energy might shape the short-term weather on distant planets according to a ...

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

The new galaxy, because of how far away it is, looks to observers exactly as it did when it was first created 3 billion years ...

Scientists aren't sure whether Earth will be fully swallowed by the Sun, or merely burned to a crisp. Which sounds better to ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

The appetizer section (cleverly labeled “Appetizers”) features standouts like Kirby’s Queso Fundido – a bubbling cauldron of ...