JWST uncovers evidence of ancient “monster stars” whose extreme chemistry may explain the origins of early supermassive black ...

A study of the interstellar comet 3I/ATLAS reveals surprising characteristics: traveling at 57 km/s, it challenges ...

A rare interstellar visitor stunned observers with an extraordinarily bright emerald glow over Egypt, offering scientists new ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global ...

What can a rocky molten exoplanet with an atmosphere teach astronomers about planetary formation and evolution? This is what ...

Caption: This artist’s concept shows what a thick atmosphere above a vast magma ocean on exoplanet TOI-561 b could look like.

The James Webb Space Telescope's Near Infrared Camera (NIRCam) captured a massive stellar jet in the Sharpless 2-284 (Sh2-284 ...

Researchers using NASA’s James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...

The truth is that, following NASA’s press conference, this hypothesis has been completely ruled out; however, experts ...

James Webb Space Telescope has delivered stunning views of the "gravitationally distorted realms" of the El Gordo galaxy ...