Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

We live in changing times. While we once flippantly threw villains to the lions, now we seek to fire them into the sun.

If, for some reason, we as a society executed villains by firing them into the Sun, this is how an astronomers says we would ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long ...

The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

Interstellar comet 3I/Atlas has moved within 300 million km of Earth as scientists continue tracking its rare journey.

New simulations reveal interstellar objects don't arrive uniformly, with concentrations from the solar apex and galactic ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

Far above Earth, scientists are using quantum sensors to listen for the faintest whispers of unseen forces that may weave through the universe. Scientists are constantly searching for new clues about ...