They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...

Odd bursts, shifting expansion rates, and oversized early galaxies are pushing astronomers to refine physics, not rewrite it, ...

Space is full of surprises, and in 2025, astronomers witnessed one of the most extraordinary events ever registered: a gamma-ray burst (GRB) that lasted seven ...

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could ...

For the last 25 years, most scientists have believed that about 70% of the universe is formed by something called ‘’dark ...

A team of researchers using the James Webb Space Telescope has produced the most detailed map of dark matter to date.

Faint structures play a crucial role in cosmic development, and scientists are only just beginning to grasp their full extent and role in shaping the universe.

A physicist proposes that the universe is not empty space, but is a viscous fluid, fueling the expansion and contraction we see.

Neutrino particles have extremely small masses, yet there are so many of them that they carve out the large-scale structure ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome even the stretching of space itself ...

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...