The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at the heart of modern astrophysics. It says matter spreads out evenly when ...

Scientists have discovered that our entire solar system is racing through the Milky Way far faster than current models predict. A study published in Physical Review Letters on November 10, 2025, ...

"The national security establishment has already been doing this for five decades but thought that no one could replicate it, so they made it highly classified." When you purchase through links on our ...

Nothing manmade has reached further from Earth than the Voyager series of spacecraft. Hurtling away from the sun at 38,000 miles an hour, the duo have now traveled over 12 billion miles, with Voyager ...