Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

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

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

A space telescope and AI teamed up to analyze a million galaxies and learn what triggers supermassive black holes the most.

The most distant known star in the universe is no longer a faint, anonymous point of light. With the James Webb Space ...

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

Black holes are notoriously difficult to spot unless they are active, and one type of activity is the destruction of a star, ...

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

The world of astronomy and everything that surrounds it continues to give us secrets that until now seemed unthinkable. In ...

"I've been plugged into some sort of matrix," Jonathan Bailey says to David Corenswet. "I feel like I’ve been slowly working ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

The Cardinals defense is worse than it was last season, despite six draft picks and over $100 million worth of free agents.