A triple threat of pollution, extinction and warming temperatures is altering the way the planet smells. Scientists are only ...

In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and ...

Do you remember the meaning of the first Earth Day? How big was it? What about the time in history made it come together? I ...

Iran says Israel is violating the ceasefire deal President Trump announced, and Tehran appears to still have control over ...

World leaders from Israel, Germany and the U.K. are praising President Donald Trump’s ceasefire with Iran. Trump says the U.S ...

When Putin invaded Ukraine, he raised murder to the level of national policy. I felt guilt by association. And I had to act ...

Ohio University students launched a new Fridays for Future chapter to promote environmental advocacy and community ...

New study shows that daily bird movements shape how bird flu spreads, influenced by habitat, environment, and human activity.

Human population and consumption have surpassed Earth’s limits, increasing risks to climate and global stability.

Brought back to the Valley by popular demand, “Pompeii — The Exhibition” closes at the Arizona Science Center on Sunday, ...

Tipping points loom; breached boundaries and feedback loops threaten human civilization’s stability.

Readers asked about each astronaut’s role in the mission, how they’re staying healthy, and the future of moon travel ...