The tallest cliff in the solar system is so extreme that even imagining standing on its edge is enough to make your stomach ...

This video explores how scientists determine the ages of planets and which worlds formed first, based on planetary formation, geology, and evidence from space missions.

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

The month is packed with skywatching highlights—including six visible planets, an annular solar eclipse, and the Milky Way’s bright core returning to view in the Northern Hemisphere.

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

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

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search ...

The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “ Eye of ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since April 2024 Look up throughout the year to catch a wide array of astronomical ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...