Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.

Last year, our most detailed map of the universe yet suggested our understanding of dark energy has been wrong for decades. The shock result is reigniting the search for a better cosmic story ...

Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

The Vera C. Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids ...

Associate Professor Hanae Inami at the Hiroshima Astrophysical Science Center specializes in astronomy, with a particular focus on galaxies beyond the Milky Way — a field known as extragalactic ...

As a space scientist, every time I go outside with my family, I tell my children to look up at the sky. The front door of our home looks southeast, and on winter nights the constellation Orion hangs ...

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

Astronomers have discovered the brightest and most distant "megamaser" to date. The cosmic energy beam is shooting toward ...

As Eternia returns to the big screen, the franchise creator faces a very real battle.

In my January 23, 2026, “The Universe” column, I wrote about some of the biggest bangs the universe has to offer: exploding stars, hiccupping magnetars, stellar disruptions and colliding black holes.

NEW YORK (AP) — Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It’s what’s known as a planetary parade, which happens when multiple planets ...

University of Oregon astronomer Yvette Cendes made a surprising discovery years after a black hole shredded a star. What is ...