On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

From an evolutionary standpoint, it’s ruthlessly efficient. The queen collects sperm from multiple drones in one flight, stores it for years, and then spends her life laying up to 2,000 eggs a day.

Both the UK and US Governments have pledged to end research using animals, but is such a goal realistic? And how might it change medical research? Talha Burki reports.

One oddity is in how human hierarchies form. In other animals, fighting translates physical strength into dominance. In humans, however, people often happily defer to leaders, even seeking them out.

When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like? Evolution tends to solve the same problems with similar designs, and ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human cultures, ...

Scarlett Howard currently has funding from the Australian Research Council and the Hermon Slade Foundation. Adrian Dyer receives funding from the Australian Research Council, the Alexander von ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...