Asteroid 2025 HY2, an Apollo-class asteroid, will pass Earth on May 7, 2025, at a speed of 48,904 km/h. Though passing at a ...

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

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

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.

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 ...

If dark energy ebbs with time, which now seems plausible, the universe could one day stop expanding and then eventually ...

A dramatic aircraft chase of a falling spacecraft has provided new insights into the fiery processes that accompany the ...

In its first 100 days, the Trump administration has slashed federal agencies, canceled national reports, and yanked funding ...

Discover how nearly two decades of satellite data—and the new Biomass mission—are helping scientists map forest carbon across ...