Everything you need to know about 2024's 'comet of the year,' C/2023 A3 (Tsuchinshan-ATLAS), from when it will appear to ...

Astronomers stumbled upon Neptune only after the planet Uranus — which William Herschel had found 65 years earlier — was ...

For about 4.5 billion years, our planet has circled the sun on a stable, rhythmic path. Each of Earth's orbits takes ...

A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Astrology and numerology use celestial bodies and numbers to reveal our personality and destiny. Each planet is linked to a ...

Astronomers find a way to measure temperature changes in a star with greater-than-ever precision, a breakthrough that ...