Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

The Hubble Space Telescope celebrates 35 years of groundbreaking discoveries, stunning imagery, and a lasting impact on ...

A new space telescope is mapping the sky in 102 colors — and it may just rewrite our understanding of the universe.

The space-based observatory will scan the cosmos in 102 colors we can't see to unlock the secret history of the universe.

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists.