The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

The planet also interests scientists because it is strangely cold. Most of the gas giants discovered outside our Solar System so far have been what are known as "hot Jupiters", where temperatures ...

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the sky-surveying Atlas telescope ...

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...

An international team of astronomers led by the University of Galway has discovered the likely site of a new planet in formation, most likely a gas giant planet up to a few times the mass of Jupiter.

Exterior of a telescope at Lowell Observatory in Flagstaff, Arizona. Clyde Tombaugh was working at Lowell in 1930 when he ...

The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will make its closest approach to the sun in October, scooting between the ...

A possible new dwarf planet described as "Pluto's cousin" has been found at the edge of the solar system, so far away that it takes around 25,000 years to complete one orbit around the Sun.