If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Trump has ordered the release of UFO files. The real question isn’t what they contain—it’s how the uncertainty could affect ...

The sci-fi blockbuster, which is streaming on Disney+, marks the first crossover between the Predator and Alien franchises since 2007.

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 ...

Researchers have created the lining of a womb in a dish, which promises to shed light on the mysterious early stages of human pregnancy and the glitches that can lead to miscarriage and medical ...

Scientists have gotten an unprecedented look at how the human embryo implants in a uterus. They did this by creating very primitive, womb-like environments in the lab. "This is really important work ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

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 ...

Scientists have discovered a method of helping human stem cells thrive in an animal embryo—a key development in efforts to grow human organs in animals for medical transplants. A study by UT ...