How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Now that debates have cooled down on the series, it's time to dive back into the impressive experience.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Our fascination with the cosmos has led to many great UFO movies being produced, some of which never got the audience they ...

Some sci-fi movies have cliffhanger endings that get answered by the stars or a sequel, but others never get resolved at all.

Can NASA and Elon Musk get us to Mars and beyond?

Former President Bill Clinton endured nearly six hours of questioning by members of the House Oversight Committee, in an ...

The family-friendly roller coaster goes up to 40 mph, but it isn't the only star at Legoland Florida's new space-themed plaza.

Swashbucklers aren't just pirates, though they are certainly a significant part of the subgenre, and we've picked the best ...

io9 is proud to present fiction from Lightspeed Magazine. Once a month, we feature a story from Lightspeed’s current issue. This month’s selection is “Death Echoes Overlapping” by Megan Chee. Enjoy!

These unusual Florida museums feature shipwreck treasure, cryptids, oddities, and exhibits so strange you will not believe ...