Astronomers have hoped for the existence of Planet Nine for years. Things were looking promising, but this discovery might ...

The Subaru telescope located at the Mauna Kea Observatory on Hawai'i has found a new world within our Solar System, dubbed ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away.

Scientists have now found more than 5,000 planets existing beyond our solar system, NASA has announced. The Kepler Space Telescope , launched in 2009 and retired in 2018, led to the discovery of ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

A new solar system has been found in the Milky Way. ... A pair of planet-hunting satellites — NASA's Tess and the European Space Agency's Cheops — teamed up for the observations that ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions ...