Love it or hate it, when Valentine's Day comes around we all find ourselves under pressure to examine our love lives.

Have you ever wondered what it would be like to explore one of Jupiter's moons without ever leaving Earth?

The curious minds at What If investigate Jupiter suddenly igniting and becoming a star, revealing the effects on our solar ...

Now researchers think they've solved the mystery of one of the longest star-dimming events ever recorded. The star, called ...

When it comes to planets, bigger is not always easier to understand. The largest planets in the universe are gas giants—massive worlds made mostly of hydrogen and helium, with no solid surface. In our ...

On Feb. 12, 2009, a Continental airlines turboprop commuter plane crashed into a house near Buffalo, N.Y., killing 50 people, including one person in the house.

Several planets will line up shortly after sunset, on February 28, during a planetary alignment. Six planets will be visible ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

One of the longest stellar dimming events ever observed was likely caused by the gigantic saucer-like rings of either an ...

If a gas giant planet is big enough to ignite deuterium fusion, it becomes a brown dwarf instead of a planet. But this definition is incomplete and does not tell us how gas giants form or what ...

There's a comforting idea in planetary science. That no matter how strange a distant world looks, its beginnings might still ...