Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

The livestream will now begin Friday at 11 p.m. EST, Dec. 19 (0400 GMT on Dec. 20), weather permitting, after rain prevented ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

The exoplanet, dubbed PSR J2322-2650 b, has a helium-and-carbon atmosphere, something researchers say they've never seen ...

The James Webb Space Telescope detected an atmosphere rich with carbon and helium, which is unexpected on this hot planet ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

Dozens of energy developers, experts and politicians say there were some highs amid a lot of lows in a roller coaster year for clean energy as President Donald Trump worked ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a ...