JWST detected clay minerals on Neptune's inner moons - chemical evidence that Triton's arrival destroyed an entire ancient moon system 4 billion years ago.

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

This artist’s concept shows the Beta Pictoris system with the discovered giant exoplanet Beta Pictoris d at the right. It has ...

NASA’s James Webb Space Telescope discovered Beta Pictoris d, a third giant planet orbiting the young star Beta Pictoris, 63 ...

A giant planet had been hiding inside one of astronomy’s most closely studied planetary systems, concealed by a bright disk of cosmic dust. Webb revealed Beta Pictoris d through atmospheric traces of ...

The James Webb Space Telescope captured massive galaxy cluster RX J2129. located about 3.2 billion light-years away. A ...

Scheduled to launch Aug. 30 aboard a SpaceX Falcon Heavy rocket, NASA's Roman telescope will image far more sky than Hubble ...

New observations of WD 1856 b, a gas giant closely orbiting a white dwarf, offer a preview of what could happen to Jupiter and Saturn after the sun dies in about five billion years.

Nasa's newest observatory isn't replacing the James Webb Space Telescope but expanding humanity's view of the cosmos.

Credit: ESO / Digitized Sky Survey 2 Astronomers found the missing giant architect of a famous young star system — a world that lines up almost eerily well with what theorists had predicted but had ...

The gas giant, called Beta Pictoris d, had been hiding in plain sight for more than a decade, until two independent teams verified its existence ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a faint, elusive planet orbiting a young star after more than a decade of cosmic hide-and-seek. In an unusual twist, two groups working independently ...