For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...

Planet TOI-421b lacks the haze of other exoplanets, which means we're able to get a surprisingly clear understanding of it.

A Soviet-era spacecraft meant to land on Venus a half century ago is expected to plunge uncontrolled back to Earth within days.

Arp 184’s single broad arm hints at a unique past, earning it a place in a famous catalog of peculiar galaxies.

The European Space Agency is assessing the impact of U.S. NASA budget cuts and exploring cooperation alternatives. Meanwhile, ...

New satellite images showed a U.S. aircraft carrier operating near Chinese warships in the Arabian Sea as it carried out ...

Where will the failed Soviet spacecraft Kosmos 482 land when it crashes back to Earth in the coming week? Most major cities ...

Europe is assessing impacts from U.S. NASA budget cuts and exploring cooperation prospects. Meanwhile, the EU and France ...

Though astronomers have known about the threat posed by near-Earth objects since the 1970s, efforts to catalogue potentially ...

Now, Gaia has uncovered a star family unlike any seen before—a massive group of over 1,000 young stars behaving in an ...

The European Space Agency said on Monday it was studying the impact of U.S. budget proposals that include cuts to NASA moon ...