Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we ...

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

Our Solar System is home to eight extraordinary planets, each with its own unique features, mysteries, and beauty. This cosmic journey takes you from the Sun-scorched surface of Mercury to the icy ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Astronomers have long hunted a mysterious planet in the outer reaches of our solar system. These scientists think that it might really be a primordial black hole, ...

Scientists think that the gravitational influence of a tenth planet that is roughly the size of Mars could be the cause of strange orbits in our solar system.

Another planet-size object may be orbiting beyond Pluto in the far, icy reaches of the solar system.

Astronomers have discovered and Earth-sized planet just outside our solar system in the Alpha Centauri star system. Here's how it stacks up by the numbers.

NASA has discovered the first Earth-size planets outside of our solar system. The discovery was made as part of NASA's Kepler mission and involves the discovery of two planets currently named ...

NASA’s Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to ...