Rogue planets can have moons, and some of those moons might be habitable.
A new simulation of the Oort cloud suggests that some of its material comes from other stars.
The Next Generation Event Horizon Telescope may reveal the dark edge of a black hole’s event horizon.
If you want to travel to the stars, when do you decide to pack your bags?
Tiny CubeSats could give us a detailed view of Earth in real time, thanks to folding adjustable mirrors.
Most of the world uses A-Series paper sizes, which can be a bit of a hassle if you live in the States.
New experiments in particle physics yield surprising results about the earliest matter in the universe.
Can gravitational waves be gravitationally lensed? Gravitational wave observatories could find out.