Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

In the farthest reaches of the planetary plane, at an average distance from the Sun four times that of Saturn, lurks Pluto – ...

From Nantucket’s cottages to Malibu’s beaches, from urban parks to Midwestern hammocks: it’s time to pick a spot and hunker ...

NASA's New Horizons probe has woken up in good health nearly 6 billion miles away beyond Pluto after spending nearly a year ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

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 siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

The White House has appointed Harvard astronomer Avi Loeb to lead a new scientific advisory team investigating unidentified anomalous phenomena (UAPs), commonly known as UFOs. The move is part of ...