The asteroid 2024 YR4, once considered potentially hazardous, isn't likely to hit us anytime soon. Now, a team of researchers ...

A ring or sphere could, apparently, be stable if surrounded by the right sizes and gravities of other stars.

Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of ...

In our daily environment, we encounter matter in three different states: solid, liquid, and gas. In space, a fourth state of matter exists: the plasma state. Plasma is like a gas, with individual ...

the standard model of particle physics has also overtaken experiment by successfully predicting what is later observed. Theories with extra dimensions of space could follow suit, but results 1 ...

Greenhouse gases are eroding the safe carrying capacity for low Earth orbit, a new study concludes. Moreover, the authors ...