From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility of alien worlds around a red supergiant. We examine the challenges of ...

One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It's called K2-18b, and it's ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

The mystery around these sorts of mushrooms illustrates the value in conserving and researching natural wonders like them.

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

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 ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...