HD 189733 b orbits so close to its star that distance almost stops mattering. The planet was logged in 2005, one of many ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

A lucky alignment of space- and ground-based telescopes has enabled researchers to nail down the mass of a rogue planet for the first time. Unlike worlds in our Solar System, rogue planets do not ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

This week, the giant planet Jupiter will be at its closest approach to Earth in 2026, offering skywatchers an unmissable view ...

Astronomers have discovered a possible new dwarf planet orbiting far beyond Pluto. First detected in March 2023 by Japan's Subaru Telescope in Hawaii, this object has been dubbed 2023 KQ14 and ...

Using the James Webb Space Telescope, UK scientists have found an atmosphere on a red hot planet 280 light years away, in the ...

Aug. 23, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend. When you purchase through links on our site, we may ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

Koalas with the bodies of lions. Elephants the size of your dog. Gigantic, 8-foot-tall sloths. These aren’t creatures found in science fiction: They walked our planet a million years ago, during the ...