Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

For observers on Earth, the sun appears as a bright, familiar disk—but what we see is only half the story. Like the moon, one ...

One of the most commonly referred to examples of nonclassical behavior at a quantum scale is the double slit experiment, ...

When you throw a ball in the air, the equations of classical physics will tell you exactly what path the ball will take as it ...

And yet, in just 50 years, we've noticed some pretty big changes happening on Utopia Planitia, which was possibly once part ...

Scientists speculate that human eyes stand out more than chimpanzee eyes because there’s an advantage for humans in being ...

The physicist, BBC presenter and author on snowflakes, art v science and the time Paul McCartney quizzed him about one of Saturn’s moons ...

For all its ancient, familiar features, the Moon is still changing—and sometimes in dramatic ways. Scientists recently identified a fresh 22-meter-wide crater by comparing orbital images taken years ...

William Shakespeare, the noted point guard and celebrated playwright, probably would have put it another way, noting that defeat is “such sweet sorrow” but still “sharper than a serpent’s tooth.” Us ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

The Artemis II crew made history as they traveled further from our planet than any other living humans. The astronauts and NASA are making the most of the trip, including by capturing some utterly ...