The Earth and a starry night appear to merge into one strange and otherworldly sci-fi trip in this mind-bending photo ...

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

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

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

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

NASA’s AWE mission just released millions of gravity wave images from space, unveiling atmospheric forces that ripple through ...

The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky ...

Today was a big day for SpaceX and the four astronauts returning from the International Space Station. NASA astronaut Nick ...

It may feel like we're standing still, but Earth is moving through space at astonishing speeds ... with the sun, moon, and planets orbiting around it. This geocentric model seemed to explain ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan. Mercury, which is the closest planet to the sun, would be the first to be ...

NASA astronauts Sunita Williams and Barry Wilmore may face certain effects on their health upon returning to Earth after nine ...