Using the Super Proton Synchrotron, the team created beams of electron-positron pairs and passed them through a meter-long region of plasma. This setup served as a scaled laboratory version of a ...

This video explains how scientists estimate the size of the observable universe, what “radius” means in cosmology, and why ...

Astronomers have observed a white dwarf - a highly compact Earth-sized stellar ember - that is creating a colorful shockwave ...

For centuries, the principle of symmetry has guided physicists towards more fundamental truths, but now a slew of shocking findings suggest a far stranger idea from quantum theory could be a deeper dr ...

Astronomers have spotted one of the oldest "dead" galaxies yet identified, and found that a growing supermassive black hole ...

NASA’s Hubble Space Telescope has spotted an object unlike any previously observed, revealing an unusual remnant of the ...

NASA’s StarBurst instrument is several steps closer to being ready for launch. The small satellite is now awaiting instrument ...

Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

Dark stars are some of the most exciting astrophysical objects to possibly exist, as their study would allow for a ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...