Hidden deep within southern Siberia lies one of the most mysterious places on Earth. At first glance, Lake Baikal looks like ...

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars ...

I don’t know how likely extraterrestrial life might be. But no matter what, the truth of Christianity will stand. This is how strange our times are: Last week, two United States presidents engaged the ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described nightmarish squid-like Martian invaders in The War of the Worlds, while the ...

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...