NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the president after Sen. Ted Cruz led a Senate amendment to rescue them.

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of ...

Astronomers from the University of Turku in Finland and elsewhere have performed a broadband spectral and timing study of an ...