“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

The true “informational age” of the cosmos may be 62 billion years, not just the 13.8 billion years of our current expansion.

An artist's concept of multiple types of subatomic particles. Forget about turtles; for all practical purposes, it’s really particles all the way down. Consider the seemingly simple matter of their ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

The last gasp of a primordial black hole may be the source of the highest-energy "ghost particle" detected to date, a new MIT ...

A swarm of galaxies called the Bullet Cluster is the biggest, best natural laboratory for studying dark matter that astronomers have ever seen ...

Gravitational-wave detection technology is poised to make a big leap forward thanks to an instrumentation advance led by physicist Jonathan Richardson of the University of California, Riverside. A ...

A high-energy neutrino may have come from a black hole explosion, hinting at Hawking radiation and dark matter clues.

In an interview on his 80th birthday, Carl Jung said, "But do you know who anticipated my entire psychology in the eighteenth century? The Hassidic Rabbi Ber from Mezritch, whom they called the Great ...

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early ...