On Feb. 18, 1930, Clyde Tombaugh discovered Pluto, at that time classified as the ninth planet.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A new study rewrites the story of human evolution, suggesting that intelligent life is not rare but a natural planetary ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes rush to track its course ...

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...