A greater spectacle is expected on August 12, 2026, when a total solar eclipse will be visible in Iceland, northern Spain and ...

Skygazers across a broad swathe of the Northern Hemisphere will have a chance to see the Moon take a bite out of the Sun on Saturday when a partial ...

No one will be able to see a total solar eclipse because the central part of the Moon’s shadow, where the Sun would appear ...

Buried more than 3,000 miles beneath our feet, Earth’s solid inner core was once thought to be unchanging—locked in place at ...

The hazards facing lunar astronauts are many. There’s the radiation, the temperature extremes, the psychological challenges ...

See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025. Today, March 29, 2025, the moon is 29 days old and is in the New Moon phase of its lunar cycle.

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.