New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

An international team, including astronomers from Keele University, has performed a unique cosmic test to measure the mass of ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of ...

Dark matter is one of Nature’s most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to their supercomputer simulations. We know it’s real because its mass ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

In the vast expanse of the universe, the Milky Way Galaxy holds a special place in our hearts. It is our home, and after studying it for decades from our cosmic residence nestled within one of its ...