Analysis suggests that instead of the universe continuing to expand, galaxies could be pulled back together via gravity.

The shape of the universe is not something we often think about. My colleagues and I have published a new study that suggests ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

"The cosmic dipole anomaly has thus established itself as a major challenge to the standard cosmological model, even if the ...

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos ...

Tiny red light points from the early universe are puzzling. JWST data suggest: Black holes shining like stars are behind them ...

The book, which is subtitled ‘The Past, Present, and Future of the Crossword Puzzle,’ looks at the joy and challenges of this ...

Astronomers have proposed a radical idea: dark matter—the mysterious substance making up most of the universe’s mass, might ...

The animated series "Star Wars Rebels" helped set the foundation for "The Mandalorian" and "Ahsoka." Here's what the crew of ...

Black holes have long captured the imagination of both scientists and the general public. These exotic objects—once thought ...