Science

Indigenous nations across the U.S. lost nearly 99% of their historical land base over time, new research shows. What little land they have left is especially vulnerable to climate change risks.

In a major expansion, proposed U.S. rules would apply not only to new oil and gas operations but also older ones. Methane is a potent greenhouse gas considered key to slowing global warming quickly.

If last year was marked by the emergence of COVID-19 on a global scale, this one has been all about the new solution to end the pandemic: the vaccines.

At the opening of a United Nations climate conference in Glasgow, Scotland, António Guterres says the world is "digging our own grave" by not acting more aggressively to mitigate climate change.

More than a third of U.S. states now support the idea of making daylight saving time permanent. It's already in effect for about eight months of the year.

Moderna says the FDA is looking into reports of a rare side effect — myocarditis, or the inflammation of the heart muscle — in those who've gotten the shot.

Storms come more often and the sea is rising, says an activist in Bangladesh. Crops are being ruined. Here's how one village is handling the situation.

A solar flare eruption from earlier this week is expected to reach Earth on Saturday and Sunday, creating the potential for the aurora borealis to be visible across large parts of the U.S.

Pandemic predictions have been made — and then things would change. But based on models and studies (including a 1980s test that squirted virus up human noses), researchers have a new endgame thesis.

mRNA vaccines are groundbreaking—but the mRNA inside them is fragile. Kathryn Whitehead explains how scientists have created the right "packing material" to safely deliver these to the right cells.