"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

An ‘interstellar visitor’ spotted drifting into our solar system weeks ago is either a massive dirty snowball or an alien ...

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are these planets, and how do they travel through space? Uncover the true scale ...

Explore the fascinating motion of our Solar System as it journeys not just around the Sun, but also through the vastness of the Milky Way galaxy and the Universe beyond. This in-depth video unpacks ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

The Good Housekeeping Institute has reviewed the best video doorbells to buy now, with picks from Ring, Arlo, Nest, Eufy, and ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

The answers to those questions depend on how we define the death of the solar system.