Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

Welcome to your December horoscope! It’s hard to believe that we’ve made it to the end of 2025. In some ways, the year ends ...

A planet's habitability is determined by a confluence of many factors. So far, our explorations of potentially habitable ...

Voyager 1 is about to cross a threshold that sounds almost mythical: within about a year, the spacecraft will be a full light ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

Specifically, physicists and philosophers tend to conflate what it means for something to exist and what it means for ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

A tradition of Axe Week is a little good-natured trash-talking and meme-hurling between the mascots — Bucky Badger and Goldy ...

Two new peer-reviewed papers claim thousands of unexplained light flashes in vintage Palomar telescope images show statistical ties to nuclear tests and UFO reports. Not everyone agrees with the paper ...