Many coronal loops — ropey strands of plasma that scientists have long thought existed in the Sun’s atmosphere — may actually be optical illusions, according to a new paper that challenges prevailing ...

Physics cannot describe what happens inside a black hole. There, current theories break down, and general relativity collides with quantum mechanics, creating what's called a singularity, or a point ...

Scientists have been trying to solve this mystery for decades. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...