Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

Scientists are calling attention to an extremely common health problem that's been making astronauts uncomfortable: sinus issues. Researchers from Houston Methodist hospital’s Department of ...

On 13 May 2025, a spinning top-shaped object plummeted through Earth's atmosphere from the dizzying heights of space, coming to rest on the russet sands of the Australian desert. This was the W-3 ...

Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of balance. NASA's Human Research Program works to understand—and sometimes even ...

An experiment involving artificial organs is just one way researchers are trying to capitalize on the weird ways low-gravity environments affect the human body. There's a good reason why astronauts ...