Homo erectus may have left a detectable genetic trace in living humans through ancient interbreeding with Denisovans.

Zoraptera, an order of insects that includes angel insects, has defied accurate taxonomic description since 1913.

The story of Earth's first animals may need rewriting after ancient fossils revealed an earlier start to complex life.

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

With their incredible intelligence, shape-shifting abilities, and strange anatomy, octopuses often seem almost otherworldly.

That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...

When Steven Spielberg announced Disclosure Day , many fans immediately saw it as another entry in the filmmaker's ...

The villains in the X-Men comics are some of the most colorful and interesting in Marvel’s long history. Some have proven to ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

From the lightbulb to the airplane, to medical breakthroughs and the internet age, the past 250 years have been defined by ...

What if an alien species had a complete evolutionary history stretching billions of years? This deep dive explores the Yaetuans, from microscopic lifeforms to a civilization capable of reaching the ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...