An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

For the past 60 years, Earth has had a secret companion in space—a quasi-moon that has been sharing our planet’s orbit around ...

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University ...

New simulations reveal interstellar objects don't arrive uniformly, with concentrations from the solar apex and galactic ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Scientists have discovered a meteorite older than Earth, offering the earliest clues to how the Solar System formed and how ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

Guest: Professor Dagomar Degroot, environmental historian at Georgetown University and author of Ripples on the Cosmic Ocean: ...

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals ...

A newly detected super-Earth just 20 light-years away is giving scientists one of the most promising chances yet to search ...

Two million years ago, an encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble" to draw back, potentially cooling our planet, new research claims. When ...