Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

An interstellar dance party, pop-up planetarium, dazzling galactic decor, and a constellation of culinary delights—we’re blasting off into summer this year as Metropolis at Metrotown launches its ...

But as products of the solar system, we also could see ourselves as Bennu brothers, Psyche sisters, comet cousins—kin to the asteroids and comets that chronicle our deepest histories.

The solar sail for NASA’s Near-Earth Asteroid (NEA) Scout, a robotic reconnaissance mission designed to fly by asteroids, easily fits into a CubeSat (left) that’s just 12 inches long.

Evidence that the universe is rotating was recently delivered by the James Webb Space Telescope (JWST), which found that ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

Could the universe be spinning like a giant top? This idea, proposed by physicist Nikodem Poplawski, opens surprising ...

Surprisingly, we found that even significantly higher dark energy densities would still be compatible with life, suggesting ...

A new observatory perched high in the Chilean Andes is about to blow the lid off our solar system—and scientists say it’s going to be like switching from a black-and-white TV to 4K color.

A new observatory is set to detect millions of never-before-seen solar system objects, a global group of astronomers led by Queen’s University Belfast (QUB) has said.