Dry ice looks a bit like regular ice. While it can be clear, it’s usually white because water vapor freezes into frost on its surface. Dry ice is very cold. It’s −78.5 °C or −109.2 °F, which is cold ...

👉 Watch the video of Sarah’s science experiment at Helotes Elementary School here! Hello parents, teachers and students! Be sure to check out GMSA@9 on Wednesdays when Meteorologist Sarah Spivey does ...

Strange, sinuous gullies etched into the dunes of Mars are finally giving up their secrets. These gouges, new experiments reveal, are carved by the explosive sublimation of dry ice, burrowing down the ...

Scientists have cracked a long-standing Martian mystery. Those seasonal gullies on sand dunes that everyone thought were made by water. Turns out, carbon dioxide (CO₂) ice, or dry ice, is the culprit.

Researchers at Trinity College Dublin have been shedding light on the enigmatic “spiders from Mars”, providing the first physical evidence that these unique features on the planet’s surface can be ...

Dry ice—or solid carbon dioxide, as it’s more specifically called—is a staple item in middle and high school science classes. But it’s also easily obtainable for anyone who wants to experiment with it ...