Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Discoveries from the Isle of Wight have unveiled ancient shellfish fossils that highlight early parental care practices.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...

Taxidermied, locked behind plexiglass and spinning slowly on a wooden dais in the National Museum of Scotland in Edinburgh, UK, the world’s most famous ewe remains a public spectacle three decades ...

But exploring the evolutionary roots of these diverse maternal methods is tough, because reproductive tissues decay quickly ...

After a two week expedition off the coast of Brazil, an international team of researchers discovered 31 new marine species, ...

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech Coffee linked to significant new side effect, says massive study Belgian ...

The Allen Telescope Array at the Hat Creek Radio Observatory. Credit: Seth Shostak/SETI Institute A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious ...

Imagine being in bed, sound asleep, when your country’s emergency alert system suddenly goes off on your phone. Scary stuff. Now imagine that same emergency alert was announcing an alien invasion was ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...