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

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

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

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

The sun’s gravity would be pulling the moon away from Earth on November 20, 2025, at a distance that it had never been in the ...

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...

Earth has quietly picked up a new traveling companion, a tiny captured object that astronomers say will loop around our ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

For the next half-century, Earth will have a new celestial companion. A small asteroid, officially designated 2025 PN7, has ...

Mysterious interstellar object 3I/ATLAS could be passing by Jupiter to "seed" the planet with "technological devices." ...