In space, no one can hear you scream. But just because sound can’t travel in the vacuum of space doesn’t mean that the ...

During a special observation run from Jan. 15 to Jan. 22, the Transiting Exoplanet Survey Satellite ( TESS) repeatedly ...

The atmospheric carbon dioxide was thought to be the result of the oxidation of oxygen molecules in the exosphere. As a ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

New research suggests Earth’s water came from sources other than meteorites, challenging long-standing theories on planetary ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

Webb data explains how heat-formed crystal minerals end up in icy comets by tracking their journey around a young, actively forming star.

The planets of our solar system orbit in a thin, orderly plane, but beyond this familiar disc lies a vast and complex cosmic environment that reshapes how we understand space itself. From the ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.