At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects ...

For years, astronomers have been searching for a ninth planet in our solar ... degrees from the plane of the solar system, meaning it would actually orbit the Sun in the opposite direction than ...

After they removed known sources such as stars from the photos, Phan and Goto noticed a dot with matching colors and brightness. The hypothesized planet’s orbit around the sun would likely take ...

Kosmos-482, a spacecraft bound for Venus in 1972, was a time capsule from the Cold War when superpowers had broad ambitions ...

Astronomers searching for a ninth planet in our solar system say they ... if it were orbiting our sun. After ruling out the ...

Planet Nine is a hypothesized massive planet, first proposed in 2014, that is speculated to orbit far out in the solar system ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — to isolate features found within the solar wind. This is because one of ...

Operators of the world’s most powerful solar ... new image of the Sun, having harnessed technology that is set to allow researchers to gain a deeper understanding of our solar system’s star.

The ongoing search for an additional planet at the solar system's edge has identified a ... The team searched their infrared images for objects that had moved sufficiently in the night sky between ...