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 ...

San Jose scored early in the second stanza to trip the Loons’ lead to 3-1, but Oluwaseyi officially put the game away in stoppage time with another dominant run that resulted in his second assist of ...

I/Atlas was first spotted on July 1 by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope in Río ...

Scientists believe the mysterious interstellar visitor may be the oldest comet ever observed. The object, designated 3I/ATLAS ...

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 ...

Scientists want to study a distant world in the solar system that is classified as a dwarf planet. But some experts think it ...

NASA’s New Horizons probe, which hurtled past Pluto in 2015, demonstrates that it can sail through interstellar space using ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.