Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A polarizing Harvard University astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Avi Loeb vows to brief public and create website to share findings of team tasked with investigating origins of mysterious ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

The world is fair and square when it comes to celebrations. Nothing seems to escape the calendar. Almost every date has become some day. There are the popular o ...

Emergency services raced to the beach and shut down access as investigations were launched into where it had come from. 7NEWS ...