This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system.

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R.

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

The interstellar object 3I/ATLAS is expected to make its closest approach to Earth mere days from now, coming within just 167 ...

The 15th day of the 18th annual Space Telescope Advent Calendar shows a colorful view of a dense cloud of gas and dust, ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

Interstellar object 3I/ATLAS continues to display a Sun-facing anti-tail, confirmed by Hubble, Gemini and XMM-Newton ...