On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

Using the James Webb Space Telescope, astronomers have discovered "smoking gun" evidence of a hidden feeding supermassive ...

A study suggesting the exoplanet K2-18b shows potential signs of alien life has been met with skepticism from the scientific ...

The latest discovery marks the first-ever "compelling clue" that a black hole may be present in the enigmatic galaxy, ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Astronomers have discovered the most distant and thus earliest spiral galaxy ever seen, using the James Webb Space Telescope ...

A surprisingly well-formed spiral galaxy has been spotted just a billion years after the Big Bang, challenging long-held ...

Among other discoveries, Webb has uncovered the slow-motion ... Just a few years ago, some on the left protested the telescope, claiming namesake James Webb discriminated against gay people ...

Using the James Webb Space Telescope (JWST), scientists analyzed far-away bodies -- known as Trans-Neptunian Objects (TNOs) -- and found varying traces of methanol. The discoveries are helping them ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...