This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

The object about 72 light-years away from Earth could be the first satellite discovered outside our solar system.

Astronomers detected a strong 170-day signal suggesting a Jupiter-mass object orbits the brown dwarf CD-35 2722 B. The ...

Since the first planet beyond our solar system was confirmed in the 1990s, astronomers have gone on to catalogue more than ...

Astronomers directly imaged a Jupiter-mass object orbiting a brown dwarf 72 light-years away, making it the strongest candidate yet for the first known exomoon.

A pair of sibling gas giants originally spotted by citizen scientists are so lightweight that their density resembles wispy cotton candy more than a standard atmosphere. The rare duo detailed today in ...

From the cratered companion that lights Earth's night sky to the hundreds of icy worlds circling the Solar System's giant planets, moons are among the most fascinating objects in space. Over the past ...

For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus, Mars, ...

The birth of a new solar system may have been caught on camera. About 1,400 light-years from Earth sits a young sunlike star surrounded by cooling gas and teensy silicate minerals. These mineral ...

Astronomers have found the first confirmed atmosphere around a rocky planet in another star’s habitable zone. The planet, LHS 1140 b, revealed its atmosphere through helium slowly leaking into space.

The search for life beyond Earth has marked a new discovery — evidence of an atmosphere on an Earth-like planet beyond our ...

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...