Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary ...

A new telescope project called the Next-Generation Very Large Array will revolutionize radio astronomy if it gets the funding ...

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

The plains house the aptly named Very Large Array (VLA)—a radio telescope made of 27 different antennas, each of which looks ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.