The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

A four-person crew will spend three to five days aboard a SpaceX capsule orbiting above the poles of Earth — a flight path ...

A SpaceX astronaut mission like no other will lift off from Kennedy Space Center on Monday night. Here's what to know.

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

But the elusive planets orbiting Barnard’s Star do not transit, meaning they don’t pass in front of their star from the ...

On Saturday (March 29), SpaceX posted photos on X of the Fram2 mission's Falcon 9 rocket and Crew Dragon capsule rolling out ...

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

According to scientists, this ambipolar electric field is thought to be just as crucial to Earth as both gravity and ...

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

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

Nine months after being stranded aboard the International Space Station, Suni Williams and Butch Wilmore are finally back ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...