In the vast universe, a grand event spanning billions of years is quietly brewing — the Milky Way and the Andromeda Galaxy ...

Recently, an interstellar comet named 3I/ATLAS has caught the attention of astronomers worldwide. This unexpected visitor from a distant galaxy not only refreshes our understanding of the universe but ...

For the first time, astronomers have directly measured a solar-system-size corona around a distant supermassive black hole, ...

While radio waves are the method of choice when searching for signals of intelligent alien life, other detectable signs also ...

Centaurus A, a galaxy with an active galactic nucleus. Image: ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray) There are plenty of awesome objects ...

'Glitching' in this context refers to launching a rock with an extremely specific set of initial conditions precisely calculated to destroy the outer dynamic system(s). The word is borrowed from video ...

Travel the universe from your seat with our picks from the annual ZWO Astronomy Photographer of the Year competition.

Science is a story of coming up with theories then doing our best to disprove them. That is especially true for theories on a ...

Astronomers have identified the oldest known spiral galaxy in the universe, which was formed around 12.4 billion years ago, after rediscovering a fuzzy, forgotten photo taken by the Atacama Large ...

A century ago, the Milky Way galaxy was the entirety of the known universe. We had no idea what made the stars shine, and only one star — our own sun — was known to harbor any planets. Of those ...