"We are only beginning to discover the true complexity of these worlds." ...

Researchers employing the James Webb Space Telescope and Canada's NIRISS instrument have observed exoplanet WASP-121b getting ...

Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

Astronomers have found the strongest evidence yet of an atmosphere around a rocky exoplanet.

According to NASA, the NIRCam on the JWST has near infrared imagery that provided high-resolution imagery for the ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

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

The data suggest this small, super-hot world is shrouded in a thick layer of gas, likely hovering above a planet-wide ocean ...

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

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile ...

Day 13 of the 2025 Space Telescope Advent Calendar ...