Not that it was a competition, but Saturn surpassed Jupiter in known moons a few years ago. Now the giant planet may never ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

The others orbit the planet in the opposite direction, or in retrograde. The arcs near the center are the orbits of Titan and Iapetus, two of Saturn's large outer moons. For scale, the white ...

“On the scale of supermoon to death asteroid ... and the grooves are the orbits of the planets around it. Our point of view from Earth, then, is along one of those grooves, “looking out ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

The scale factors in both the probability of impact of an object as well as the kinetic energy that it could deliver to the planet ... and pinning down their orbits, we are becoming more secure ...

Recently the asteroid 2024 YR4, which is expected to pass Earth in 2032, was calculated to have a 1 in 83 chance of striking our planet ... the Torino Impact Hazard Scale for measuring these ...

The asteroid that once posed the greatest impact risk to Earth in recorded history now has an effective 0% chance of striking our planet ... to Level 3 on the Torino scale, a system used since ...

The view was acquired on Sept. 14, 2017 at 19:59 UTC (spacecraft event time). The view was taken in visible light using the ...

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, ...

The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.