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Large quakes produce shaking at a variety of frequencies. Some waves can travel hundreds of miles, and are amplified by local geological conditions.

The United States was a key supplier of contraceptives in many developing countries. The Trump administration has ended that support.

The cuts were part of a Trump administration plan announced last week to dismiss thousands of employees and drastically overhaul the Health and Human Services Department under Secretary Robert F. Kennedy Jr.

Suni Williams and Butch Wilmore spoke in their first news conference since returning to Earth two weeks ago from an unexpectedly long I.S.S. stay that lasted more than nine months.

Under microscopes, scientists found that giant single-cell organisms were able to vacuum up more food when they are stuck together.

A pipeline company's lawsuit against the environmental group could chill free speech, experts said. First Amendment issues are likely to figure prominently in an appeal.

Since World War II, U.S. research funding has led to discoveries that fueled economic gains. Now cutbacks are seen as putting that legacy in jeopardy.

Nearly 2,000 scientists urged that Congress restore funding to federal agencies decimated by recent cuts.

Five years after the pandemic began, interest in the anti-parasitic drug is rising again as right-wing influencers promote it -- and spread misinformation about it.

The museum hopes that after learning about the planet's prehistoric past, people will do more to preserve Earth's future.