A disk galaxy, like our Milky Way, is a flat, rotating system with spiral arms spreading out from a central core. These ...

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

Starlink, Elon Musk’s satellite internet constellation, has put over 6,000 Low Earth Orbit (LEO) satellites into space, ostensibly to provide people with affordable, quality internet even in remote ...

For years, astronomers have sought a way to directly observe the atmospheres of exoplanets, worlds orbiting distant stars.

The effects of a proposed green-energy facility in Chile could be devastating for some of the most powerful instruments ...

A recent study reveals that the famous Wolf-Rayet 104 "pinwheel star" holds more mystery but is even less likely to be the ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

Jenniskens and Devillepoix find that low iron (L chondrite) and very low iron (LL chondrite) meteorites come to us primarily from the inner main belt. Scientists have long linked the LL chondrites to ...

The clearest and most precise images yet of the universe’s infancy from the Atacama Cosmology Telescope show the first steps ...

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map ...

New insights from the Atacama Cosmology Telescope offer unprecedented images of the universe at 380,000 years old, revealing ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...