A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." ...

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 ...

The Milky Way still holds many secrets about the universe. Now ... The neutron star in question is only 12 km across but has a mass 1.4 times greater than the Sun's. It is located 26,000 light ...

"If future observations confirm this, the 4U 1820-30 neutron star would be one of the fastest-spinning objects ever observed in the universe ... star is only 12 km across but has a mass 1.4 ...

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.

It is a red supergiant, which is the largest type of star in the universe because they expand into space as they near their explosive deaths. The image was captured by a team of researchers using ...

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 ...

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

"So if we want to understand what the universe is up to, we need to simulate both of these elements: gravity and all other physics including hot gas, the formation of stars, black holes ...