When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

Planets orbiting such stars may have a better chance of retaining their atmospheres and developing conditions suitable for ...

Donald Trump announced his administration would begin identifying and releasing UFO-related information earlier this year.

Beneath its thick haze lies one of the most fascinating worlds in the solar system. Discover Titan’s rivers, atmosphere, and ...

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...

Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an ...

The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of ...

Scientists outline how a once-in-a-century solar storm could disrupt the technology modern society depends on.

Scientists warn that extreme space weather could influence human behavior, from panic buying to protests and misinformation.