Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

A warm afternoon on ancient Mars lasted about as long as a Silicon Valley internship. That is the sobering conclusion of a ...

Compare Mars and Earth in size, atmosphere, gravity, and potential for life. Discover their differences and shared traits. Explore the mysteries of the Red Planet!

By focusing on unproven technologies like solar geoengineering and fairy tales of colonising Mars, we are telling our ...

Tina Majorino, the iconic '90s child star who starred with Kevin Costner in Waterworld, is unrecognizable 30 years later.

Mars is easiest to see when it’s closest to Earth, which happens about every two years. This event is called “opposition.” In 2025, Mars will be at its closest around January 15-16. This is when it ...

Looks like Mars might have had more water than anyone previously imagined.

Start exploring the night sky with our top picks for beginner-friendly telescopes. Tested for clarity, ease of use and build quality, these are our favorite models to learn astronomy.