Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

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

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday during what’s called an inferior conjunction. But don’t ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

NASA's James Webb Space Telescope has detected 55 Cancri e, a super-Earth located 41 light-years away. The planet is five ...

NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...