Thanks to the sheer mass of Jupiter and fellow gas giant Saturn, the Solar System barycenter is rarely in the center of the ...

Big news from the world of auctions, where what might well be the single largest astrolabe on Earth is up for sale. And what, ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Two comets are currently hurtling towards the Sun. If they survive the trip, they may put on a dazzling show for Australian ...

Across the Earth, every night, thousands of automated stargazers are waiting to take pictures of shooting stars. I am one of the scientists who study these meteors. Most movies and news alerts focus ...

A tiny object half a universe away, a scar in a stream of stars circling the Milky Way, and an unusual star cluster in a ...

In 2022, NASA made history, deliberately smashing a spacecraft into an asteroid to see if it could alter the object's orbit around its larger companion asteroid. We already knew that the Double ...

Comet C/2025 R3 is putting on its final show as it passes close to the Sun before leaving the solar system forever.

Interstellar comet 3I/ATLAS showed changing chemistry near the Sun, revealing clues about its internal structure and offering ...

Supermassive black holes are among the most enigmatic objects in the universe. They typically weigh millions or even billions of times the mass of the sun and sit at the centers of most large galaxies ...

Astronomers have measured the power of jets from a black hole for the first time, offering fresh insight into how these ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...