Could the Star of Bethlehem have been caused by a “great conjunction” of the bright planets Venus and Jupiter? On June 17, 2 B.C., the planets had come so close they would have almost appeared as one ...

Physicists are closing in on a strange, hidden influence that does not fit neatly into the four familiar forces of nature, and the search is reshaping how detectors are built and where they are ...

In 2025, scientists reported the discovery of long-chain organic molecules called alkanes in the ancient mudstones of Mars. Now, in a new study, a team led by Alexander Pavlov of NASA's Goddard Space ...

Some experiences stick because they make no sense, even to science. A sudden feeling, a flash of memory, a laugh out of nowhere—they’re ordinary yet endlessly mysterious, quietly shaping how we ...

Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

Some animal abilities are so unusual that science still can’t explain how they work. These are real, well-documented behaviors that continue to surprise researchers. Even with advanced tools and ...