Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

While 3I/ATLAS is definitely a comet, its composition and age have remained unclear. Now, astronomers have solved these ...

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

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

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

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate crash retrieval programs and are ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

The Trump administration selected a controversial Harvard astronomer to lead their new scientific advisory council to study ...

A Harvard University cosmologist who has suggested alien life forms could be sailing into the solar system disguised as meteors is leading the Trump administration’s secretive new scientific advisory ...