In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

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 ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

The spectrum of alien appearances across popular culture is vast, limited only by human imagination. From the sharp, angular features of Captain Spock to the dinosaur-like neck and big, expressive ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Updated January 5, 2026 No matter how you stay active — whether it’s running, ...