NASA has discovered a rare interstellar object named 3I/ATLAS—only the third of its kind ever detected. The comet, which ...

Pentagon officials suggest alien mothership in our solar system could send mini probes to Earth New research paper, in draft form, comes from the Pentagon's All-Domain Anomaly Resolution Office.

What If. The Solar System Song You Need to Hear. Posted: March 6, 2025 | Last updated: March 6, 2025 "An epic exploration of possibilities. What If is a Webby Award-winning science web series that ...

So, while Earth will eventually leave the solar system one way or another, it's not something we will have to worry about for a few billion years yet. Probably. Originally published on Live Science.

Some may remember that Pluto was once considered our solar system’s ninth planet until it was demoted to dwarf planet in 2006, when scientists began to realize how many planetary bodies exist ...

In Liu Cixin's short story "The Wandering Earth (opens in new tab)" (first published in Chinese magazine Science Fiction World in July 2000), Cixin portrays a scenario in which the planet's leaders ...

So, while Earth will eventually leave the solar system one way or another, it's not something we will have to worry about for a few billion years yet. Probably. Originally published on Live Science.

Our solar system was long considered a template for all planetary systems. In the last 25 years, however, it has quickly and firmly become an outlier for lacking its own super-Earth. NASA's ...

The mystery of our solar system’s missing super-Earths and sub-Neptunes is not yet solved. Studying these exoplanets is one of NASA’s top priorities and JWST plays a pivotal role.

In fact, our planet is something of a geological oddball given what we know about our solar system neighbors. Granite isn’t the only rock that’s ordinary on Earth but rare on other worlds.

Earth, Mercury, and Venus would all be tossed out of the solar system, and potentially Uranus and Neptune, too. Obviously, Earth's ejection would be catastrophic to life, if not ending it entirely.