Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

Some worlds, however, have more elongated orbits. The degree of elongation, known as eccentricity, is measured on a scale of ...

SCIENTISTS have discovered a new super-Earth with an ‘eccentric’ orbit that swings it in-and-out of its star’s habitable zone ...

NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Astronomers have discovered a large Earth-like planet orbiting a distant star that could be home to alien life. The exoplanet ...

A report published in Science Advances details when the asteroid could collide with Earth and the destruction it would cause.

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

Mining ocean resources needed for electric cars and other devices is currently a hot issue of dispute. Final resolution of ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

“There's no enforcement mechanism,” says Pelton. The commentary concludes by advocating for change — both for the ocean floor and the Earth, Moon, and Mars’ orbits. “We need to recognize the pollution ...