One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

Beautifully captured against a starry sky, Comet C/2024 G3 (ATLAS) — dubbed by some as the "Great Comet of 2025" — shines ...

By day, Coonabarabran seems like the quintessential Aussie country town – but by night, it transforms into something truly ...

Seven planets are on display in the night sky at the end of February, but some will be harder to spot than others. Here’s ...

Astronomers have discovered that billions of comets in an icy shell around the solar system called the Oort Cloud mimic the ...

Londoners will have a rare chance to glimpse a "planetary parade" on Friday evening, as seven planets line up in the night sky.

To map out the best nights for skywatching, we turned to three seasoned stargazers to tell us about the best nights of the ...

The brief window will enable skywatchers to see all seven other planets in the Earth’s solar system simultaneously.

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red ...

Seven planets will be on display this week, appearing to line up in the night sky at once. WASHINGTON — Stargazers will have ...

A shell of icy objects at the edge of the solar system known as the Oort cloud has a pair of spiral arms that resemble a ...

The highly saturated image was an artistic representation of Cassini's final mission. Actual images captured by the spacecraft were monochrome with far less detail. NASA's Cassini spacecraft ...