Astronomers have discovered the TOI-201 planetary system where planets are shifting their orbits in real time, a rare ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Astronomers have found that a weird space rock at the edge of the solar system is locked in a rhythmic dance with Neptune. The object, designated 2020 VN40, is part of a family of distant solar system ...

MIAMI — NASA celebrated a key triumph on Tuesday as its $1.1 billion Juno spacecraft successfully slipped into orbit around Jupiter on a mission to probe the origin of the solar system. NASA’s Jet ...

There are two main types of screening models. The first is called the “chameleon” model. In this scenario, a hypothetical ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with atmosphere, they have a wide range of characteristics distinguishing them. But if ...