One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

Earth's planetary defences are beginning a two-month observation campaign today to track interstellar comet 3I/ATLAS that is ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called ...

Mysterious interstellar object 3I/ATLAS could be passing by Jupiter to "seed" the planet with "technological devices." ...

The NASA project NEOWISE, which has given astronomers a detailed view of near-Earth objects – some of which could strike the Earth – ended its mission and burned on reentering the atmosphere after ...

PASADENA, Calif., Nov. 6 -- Scientists at the Jet Propulsion Laboratory have downgraded the threat of an object now speeding toward Earth and say there is no chance it will hit the Earth in 2030, but ...