In some of its most ambitious work yet, the James Webb Space Telescope looked to spot a planet in a potentially habitable orbit around Alpha Centauri A, the nearest sunlike star to our solar system ...

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

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

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 spotted an Earth-sized planet drifting alone through the Milky Way, detected briefly by bent starlight, raising fresh questions about how many hidden, starless worlds roam our galaxy.

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 ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope. This rare dual perspective allowed them to weigh the planet and pinpoint ...

On the steps of the U.S. Capitol on a balmy October morning, a crowd of people sporting “Save NASA Science” buttons buzzes with anticipation. Among them stands Eli Orland, who likens America’s space ...