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

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

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

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

Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be ...

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

Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, ...

New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

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

Agency looking at ways to use planet-threatening rocks’ tiny gravitational fields to slightly alter their trajectories ...