-
How can you experience weightlessness?How one earth (or space) can a person experience microgravity?
-
Einstein's theory of general relativity passes one of its toughest tests yetScientists tested seven different predictions, in one of the most ambitious and involved challenges to general relativity ever undertaken — and the theory passed with flying colors.
-
9 equations that changed the worldHere are nine equations that altered the course of history.
-
Where do electrons get energy to spin around an atom's nucleus?Quantum mechanics explains why the electrons can keep spinning indefinitely.
-
'First of its kind' triple star system likely gobbled up a 4th starThe unusual trio is much more massive and compact than similar systems.
-
Red supergiant stars 'dance' because they have too much gasThe light they produce wobbles around, making them hard to pin down.
-
Why are asteroids and comets such weird shapes?Small bodies like asteroids and comets are shaped more by their geological makeup than by gravity, which molds planets and moons into spheres.
-
What's the maximum number of planets that could orbit the sun?If a super-advanced civilization had to ability to engineer the solar system from scratch, how many planets could they squeeze around the sun?
-
Could the moon ever be pushed from orbit, like in 'Moonfall'?What would it take to dislodge the moon from its orbit and send it on a collision course with Earth?
