The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth ... expected at Earth-sun equivalent distances ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...

On Saturday and Sunday, the Earth will have an inferior conjunction (closest approach) with Venus, the sixth-largest planet in our solar system and the second-closest to the sun. The planet might ...

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of super-Earths and mini-Neptunes — planets that are 1 to 4 times the size of ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

The sun is our planet’s source of natural illumination, and though we’ve mastered making artificial light sources, it remains ...

Planets of this size are largely unexplored beyond our solar system, making it a significant step forward as astronomers search for Earth-mass planets around sun-like stars, Basant said.