Arsia Mons, one of the Red Planet's largest volcanoes, peeks through a blanket of water ice clouds in this image captured by NASA's 2001 Mars Odyssey orbiter on May 2, 2025.

Former Army Secretary Louis Caldera joins MSNBC’s Jason Johnson to discuss President Trump’s use of troops in Los Angeles.

Here's everything you need to know about cruising to Santorini, the Aegean gem – and trust us, it's completely worth the ...

Hawaii's Kilauea volcano is erupting again in spectacular fashion, sending lava shooting 1,000 feet into the sky, according ...

Episode 25 of Kilauea Volcano’s on-again, off-again eruptions ended at 8:08 p.m. today after eight hours of continuous ...

Arsia Mons, one of the Red Planet’s largest volcanoes, peeks through a blanket of water ice clouds in this image captured by NASA’s 2001 Mars Odyssey orbiter on May 2, 2025. Odyssey used a camera ...

Nights in the Valles Calera in early winter are cold and full of stars and silence. Waking in the pre-dawn darkness, the ...

Nights in the Valles Caldera in early winter are cold and full of stars and silence. Waking in the predawn darkness, the grass glitters with frost in the moonlight, and ...

Hawaii's Kilauea volcano is erupting again in spectacular fashion, sending lava shooting 1,000 feet into the sky, according to the United States Geological Survey.

The latest eruption within Kilauea volcano’s Halemaumau crater “ended abruptly at 10:25 a.m.” today after another brief but ...