Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...

A solar eclipse is a marvel. This quirk of the complex interplay between Earth, the Moon, and the Sun doesn't just remind us ...

The James Webb Space Telescope has notched another milestone, capturing a direct image of one of the coldest and oldest known ...

The Vela explosion stands out as the most dramatic example, occurring when our planet was emerging from the last ice age around 13,000 years ago.

The James Webb Space Telescope has observed two large planets at different stages of infancy - one with an atmosphere brimming with dusty clouds and the other encircled by a disk of material - ...

NASA’s PUNCH mission provides the first-ever 3D views of solar storms in motion, revealing their structure and paths to Earth.

Simultaneously cooling Pluto while energizing atmospheric molecules to allow them to escape into space, Pluto's haze plays a key role in the planet's energy balance.

A dwarf planet is a type of celestial body in our solar system that shares some similarities with regular (major) planets but doesn’t meet all the criteria to be classified as one. Dubbed 2017 OF201, ...

whose orbital distance ranges from 30 to 49 astronomical units as it travels an elliptical path around the sun. The researchers suspect that the extreme orbit of 2017 OF201 may have been caused by a ...

whose orbital distance ranges from 30 to 49 astronomical units as it travels an elliptical path around the sun. The researchers suspect that the extreme orbit of 2017 OF201 may have been caused by a ...

WASHINGTON: A group of scientists has found a strange new object about 435 miles (700 km) wide at the far edge of the solar system ... that orbit the sun at a distance beyond that of Neptune.

Planet Nine, also called Planet X, has never been caught on a telescope (Picture: Getty Images/Science Photo Libra) Scientists hunting for Planet Nine, an elusive planetary body that could change ...