The Earth sits comfortably in its orbit tilted on its axis at 23 degrees. Knock the planet over and... It wouldn’t be the ...

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion ...

The other two known interstellar comets did not offer such an opportunity.

A pull in the right direction ...

Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

Meanwhile, on its way out of the solar system, on March 16, 2026, 3I/ATLAS will encounter one of the farthest of Jupiter’s ...

Earth's slow axial wobbles—known as precession cycles—do not just shape long-term climate trends. A new study led by researchers from China, Belgium, and Austria shows that these orbital motions can ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

“The closer it is to the sun, the more a planet becomes dominated by the sun’s gravity,” Kane said. “Because Mars is farther ...

Mars is half the size of Earth and has only a tenth of its mass, but a new study shows that even such a "lightweight" planet ...

Discover how the Earth started spinning, the impact of the Theia collision, and how the Moon's gravity is gradually slowing ...