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

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment ... the Red Planet at its brightest, as well as a comet’s closest approach to the sun.

Researchers have found a 3.5 billion year old impact crater of a meteorite. It could have played a role in the history of the ...

Feb. 27, 2025 — Scientists are designing a satellite and instruments capable of detecting space debris as small as 1 centimeter, less than one-half inch. Debris that small, which cannot ...

Feb. 25, 2025 — On Wednesday 26 February, a thermal imaging camera blasted off to the Moon as part of NASA's Lunar Trailblazer mission. This aims to map sources of water on the Moon to shed ...