Simply put, pi is a mathematical constant that expresses the ratio of a circle's circumference to its diameter. It figures ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare ...

Researchers did not expect the huge size of the meteorite given the frigid continent's history of thousands of space rocks ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

NASA is monitoring three aircraft-sized asteroids that will zoom past the Earth later today at around 19,000 to 22,200 miles per hour.

Astronomers have uncovered the largest and most distant water reservoir ever detected in the universe. This staggering ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

Asteroid 2024 YR4 is no longer headed ... spread out with millions of miles between asteroids. The belt is located between Mars and Jupiter, and Jupiter’s strong gravitational pull can sometimes ...

The Antarctic Meteorite Collection at the National Institute of Polar Research (NIPR) in Japan has been recognized as a ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...