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 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 ...

By Jarrett Renshaw PHOENIX, April 17 (Reuters) - President Donald Trump said on Friday that his administration’s review of ...

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

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

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

Trump said the Pentagon review of UFO-related documents found 'many very interesting' records that would be released 'very, ...

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

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