Satellite megaconstellations are increasingly impacting astronomical observations. Bright satellite streaks are compromising ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

This exploration examines the Eternal Universe theory, which suggests that the cosmos has no true beginning or end, ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Our best theory of the universe might be breaking apart! The new data we're receiving from space telescopes is creating more ...

An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a ...

Since childhood, we’ve been told gravity is the force that holds everything together — but what if that idea is incomplete, or even wrong? The Electric Universe Theory suggests that vast, invisible ...

Megaconstellations” of vast numbers of satellites could threaten space-based astronomy, scientists have warned. In recent ...