Researchers believe that 2017 OF201’s highly eccentric orbit points to a chaotic origin, possibly caused by a gravitational ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

A new study suggests that these Australian insects may be the first invertebrates to use the night sky as a compass during ...

For a long time, scientists depended on luck to find new proteins. In 1840, for example, Friedrich Ludwig Hünefeld, a German ...

Could Mysterious Black Hole Burps Rewrite Physics?

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black hole, it gets torn apart in a fireworks show called a tidal disruption event.

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a ...