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James Webb Space Telescope rules out Earth-like atmosphere on rocky planet

August 14, 2025 3:03 pm

TRAPPIST-1 d is a rocky world 40 light-years away, orbiting a cool red dwarf at just 2% of Earth’s Sun distance, on the inner edge of its temperate zone.

James Webb Space Telescope, studied 263 old galaxies, some of them from 300 million years after the Big Bang.

Are we living in a black hole? James Webb telescope's latest discovery revisits universe's origin story

June 21, 2025 9:23 am

Astronomers using the James Webb Space Telescope have made a shocking discovery that our universe might be inside a huge black hole.

Three spectra taken by the JWST/NIRSpec. The record galaxy is shown in the middle.

What is a dead galaxy? Astronomers spot one that stopped forming stars 700M years after Big Bang

April 27, 2025 9:17 am

700 million years after the Big Bang, astronomers have found the most distant galaxy ever seen using the James Webb Space Telescope (JSWT)

Thousands of galaxies flood this near-infrared image of galaxy cluster SMACS 0723. High-resolution imaging from NASA’s James Webb Space Telescope combined with a natural effect known as gravitational lensing made this finely detailed image possible. (Image: NASA)

Exoplanet K2-18b offers clues to alien life: 5 major discoveries about life beyond Earth

April 19, 2025 9:58 am

Scientists have spotted a molecule linked to life in the atmosphere of K2-18b using the James Webb Telescope. Here is a look at five major discoveries that suggest we may not be alone in the universe.

The discovery was made owing to a scientific phenomenon known as gravitational lensing.

Physicists spot 44 stars no one knew existed, thanks to 'cosmic hall of mirrors' effect

January 10, 2025 2:21 pm

This is the first time so many individual stars have been discovered or observed at such a distance.

Ariel is one of 27 moons revolving around Uranus.

James Webb Telescope uncovers possible underground ocean on Uranus’ moon

August 21, 2024 8:17 am

Underground oceans are often treated as an indicator of a geologically active world.

An Expert Explains: How James Webb Space Telescope has raised questions in cosmology

August 18, 2024 10:56 am

Images from the James Webb Space Telescope are puzzling — instead of newborn galaxies, the early phases of the Universe appear to be full of adult-sized galaxies. The standard model of the Universe has had to be patched up earlier — could a more comprehensive rethink of cosmic history be in order now?

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NASA's James Webb telescope offers a look at the universe from 13 billion years ago

July 13, 2022 11:43 am

Thousands of galaxies — including the faintest objects ever observed in the infrared — have appeared in James Webb’s view for the first time, all captured in a relatively small area.