Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Ever so slightly bigger than Earth, the exoplanet LHS 3844b orbits its parent star, LHS 3844, a red dwarf 48.5 light-years ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

On August 12, 2026, lucky viewers in and around Greenland, Iceland and Spain—weather allowing—will be able to see one of ...

NASA's New Horizons probe has woken up in good health nearly 6 billion miles away beyond Pluto after spending nearly a year ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

One of the most recent UFO sightings was an unexplained aerial phenomena that happened in Nevada on May 31, 2024. TMZ reported that a woman named Katrina and some friends were enjoying a night out in ...

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to ...