This stunning JWST image of an edge-on protoplanetary disk shows how planets are born around young stars in our galaxy.

The bestselling author discusses his inspiration, creative process, and favorite scientific tidbits behind the feature film.

The vernal equinox occurs at 10:46 A.M. EDT, bringing astronomical spring to the Northern Hemisphere as the Sun stands directly over Earth’s equator. On this day, the Sun also sits at the celestial ...

This is the ideal night to run the 2026 Messier marathon. This annual event challenges observers to view every object in Charles Messier’s catalog in a single night, from sundown to sunup. According ...

A transit of Io and its shadow occurs early this morning, after which Io reaches the western extent of its orbit and comes back around, passing behind Jupiter in an occultation visible late tonight.

The simple answer is that Saturn’s rings do cast shadows on the planet’s surface! NASA’s Cassini spacecraft, which orbited Saturn from 2004 to 2017, took the dramatic image of the rings’ shadows on ...

America’s second satellite, Vanguard 1, was launched into space on March 17, 1958. And though it only blasted off some six months after the Soviet’s Sputnik satellite, Vanguard 1 still remains in ...

Planning to run this year’s Messier marathon? March 14/15 and 21/22 are the best nights to give it a go. Your ideal order will differ with latitude, but this is a good place to start. Be sure to set ...

Look north this evening a couple hours after sunset and you’ll easily spot the large shape of the Big Dipper as it sits upside-down in the sky, appearing to pour from its cup into that of the smaller ...

In 2018, NASA’s OSIRIS-REx mission reached asteroid 101955 Bennu. Two years later, the spacecraft snagged a sample of its surface, which has since been returned to Earth. Now, astronomers are getting ...

Today is a busy day! Mercury passes 2° south of Mars at 2 A.M. EDT — we’ll observe the pair in the evening sky, along with a Titan transit of Saturn. But first, the Orionid meteor shower peaks as the ...