A SpaceX capsule docked at the International Space Station, bringing a replacement crew for Suni Williams and Butch Wilmore to return home after an unexpectedly long stay in orbit.

SpaceX delivered a four-person crew to the International Space Station early Sunday, setting the stage for Barry Wilmore and ...

NASA’s ICESat-2 satellite has reached an extraordinary milestone—2 trillion laser pulses fired from orbit. Since its launch ...

As the Trump administration continues to slash federal spending, rumored cuts to science funding has left the future of Big ...

Trained on the spectacular Flame Nebula, the Hubble and James Webb Space Telescopes went hunting for the smallest stars in ...

For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...

NASA, alongside SpaceX, is making strides with a crucial crew-swap mission to the International Space Station, marking a ...

“As maximum eclipse nears, the moon transforms into a deep crimson orb,” the space agency said. “That red color comes from ...

Viewers across North America will get to enjoy a full Blood Worm Moon during a total lunar eclipse on March 13 into March 14.

The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

When sunlight hits Earth’s atmosphere during a lunar eclipse, light frequencies toward the blue end of the visible spectrum ...