Visualisation of asteroids in Earth's solar system and their orbits around the Sun.

IBEX uses a technique called energetic neutral atom imaging. The instrument collects neutral atoms …

Data from the spacecraft, measured last June, showed that the intensity of energetic particles from…

Scientists know this because the plasma, or ionized gas, in interstellar space has higher density t…

If you unfurled Saturn's rings into lines, all the planets in the solar system could line up comfor…

Jupiter, Saturn, and the sun play a constant game of tug-of-war around the invisible center of our …

It takes Farfarout 1,000 years to orbit the sun. Distant objects like this could help astronomers i…

The images were obtained from a range of 7.3 million kilometers on February 27, 1979. This is sligh…

NASA solar physicist Dean Pesnell explains that the cycle could instead be happening in two peaks —…

The scale is in astronomical units (AU). One AU is equal to the Earth's distance from the sun - abo…

"We have no problem with exploration, but as for anyone building anything of permanence, they don't…

If you live in eastern North America, you'll have to get up early to enjoy the show. The partial ec…

The Voyager 1 probe left our solar system nearly a decade ago. It recently detected a faint hum mad…

Have you ever wondered if the seemingly endless vacuum of space had a smell? The answer to this que…

Planets must careen through space at astonishing speeds to avoid falling into the sun. The closer t…

The previously unknown territory is located within the heliosophere, a bubble around our solar syst…

By stitching thousands of these images together, scientists created the first complete map of Mercu…