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

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

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...

A "baby" planet that astronomers recently observed some 430 light-years from Earth may be the youngest planet ever discovered. Forming an estimated 3 million years ago, the planet may seem old to ...

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists.

Using a unique method, astronomers have discovered an exceptional new planet by Vilnius University edited by Lisa Lock, reviewed by Robert Egan Editors' notes ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was blocked using a coronagraph to reveal a planet to its right. The light at ...

Illustration of the Kepler-51 system and its inner three planets, which have unusually low density. New observations from NASA's James Webb Space Telescope suggest that at least one more planet is ...

Old data may hint at a new world beyond Neptune — but not the one astronomers expected.

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists. Most of the stars across the Milky Way are small red ...