Explore 25 universe mysteries scientists are still scratching their heads over, from dark matter to the Big Bang's secrets.

The largest 3D map of the universe reveals over 47 million galaxies, but dark energy remains an unsolved mystery.

A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...

When the first gravitational wave (GW) was detected back in 2015, scientists said they had opened a new window into the Universe. While most of astronomy is based on detecting electromagnetic energy, ...

According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here ...

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts ...

For years, physicists have wondered whether one unstable form of copper might act like a traffic jam inside some of the most ...

Luminous fast blue optical transients (LFBOTs) are among the universe's brightest and fastest explosions but their origin is not completely understood. A new study takes a closer look at the galaxies ...

The Perseus Cluster is a massive galaxy cluster located in the constellation Perseus. It is one of the largest structures in the observable universe, comprising more than a thousand ...

The U.S. Consumer Product Safety Commission (CPSC) and Casely have issued a recall of 430,000 Casely Power Banks 5000mAh portable MagSafe wireless phone chargers. If it feels like you have deja vu, ...

We all know that everything kicked off when the Big Bang exploded our universe into reality, right? Well, not necessarily. A compelling new theory of the creation of our universe suggests that it may ...