Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

Katie Burger, principal at York Elementary School, said this was the 24th year for the Science Expo, in which students presented 97 projects. “The only year we haven’t had it was COVID,” she said.

For the first time, researchers have collected detailed measurements of water vapor high above the surface of the Greenland ...

Researchers found increased meltwater and rain explain 60% of a decades-long mismatch between predicted and observed temperatures in the ocean around Antarctica.

Scientists have some wild ideas to slow sea-level rise caused by melting ice. Glaciers generally move so slowly you can’t see ...

This advertisement has not loaded yet, but your article continues below. Halifax Regional Police say the closure of the Grand Parade in downtown Halifax on Wednesday morning was the result of someone ...