A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." Astronomers hope the event will reveal vital secrets about the often-violent ...

The ESA has released four new images of the Sun, each one giving us a different look at our star: visible light, magnetic, ...

A galaxy racing through space at an astonishing speed of two million mph (3.2 million km/h) has created a dramatic collision.

The international team of scientists have captured a collision between two galaxies located about 290 million light-years ...

Scientists said Thursday they have taken the first ever close-up image of a star outside of the Milky Way, capturing a blurry ...

The James Webb Space Telescope has captured images of galaxies from a time when the Universe was less than a billion years ...

This puzzle is one of the biggest open questions ... density would speed up the universe’s expansion. This would counteract gravity’s effort to clump matter together and form galaxies. Fewer galaxies ...

Scientists said Thursday they have taken the first ever close-up image of a star outside of the Milky Way, capturing a blurry shot of a dying behemoth 2,000 times bigger than the Sun. Roughly ...

The Solar Orbiter spacecraft has sent home the highest resolution views of the sun's surface to date, providing fresh views ...