The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

The president in February directed the Department of Defense to begin reviewing government files related to extraterrestrial ...

President Donald Trump said on Friday that his administration’s review of UFO-related ​material uncovered a number of ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

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

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

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

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 ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A model of the inner Solar System showing the asteroids discovered by Rubin in light teal.