Scientists at the European Space Agency have created an animation showing Mars that's been strung together from photos of a desert canyon on the planet.
Drifting smoke from the ongoing wildfires across Canada is creating curtains of haze and raising air quality concerns throughout the Great Lakes region, and in parts of the central and eastern United States.
Using chainsaws, heavy machinery and controlled burns, the Biden administration is trying to turn the tide on worsening wildfires in the U.S. West through a multi-billion dollar cleanup of forests choked with dead trees and undergrowth.