Stellar streams are trails of stars that astronomers can study to solve mysteries about the history of our Milky Way galaxy ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Open Space,” by David Ariosto, suggests there are few limits on human ingenuity that could prevent us from colonizing the ...

Despite the universe's vastness, containing billions of stars and galaxies, humanity has yet to encounter alien life. Scientists are actively searching for habitable planets and signs of life, but the ...

For the first time, scientists have reconstructed the full history of a galaxy outside the Milky Way using chemical clues. By ...

The agency announced the more specific plans and timelines after years of suggesting it may build a lunar outpost.

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

The Houston resident said the meteorite broke through the roof and ceiling before landing in a bedroom in her home, according ...

How does a black hole generate a magnetic field and how can it be measured and visualized? Alan CroftSeattle, Washington As ...

Researchers used data recorded by Juno in 2021 and 2022, after NASA granted an extension to the spacecraft’s operations upon completing a five-year science campaign at Jupiter. Juno remains in good ...

Astronomers have discovered that one of our closest neighboring galaxies is going through a dramatic transformation—and they ...