Olson, 61, began his scientific career exploring Einstein's theory of general relativity ... That year, when the Sun and Moon were at their closest points to Earth, they lined up in an eclipse ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ... a single massive body—the moon. That impact didn’t just create ...

BEIJING -- China has successfully established the world's first three-satellite constellation based on the Distant Retrograde Orbit in the Earth-moon region ... sent into a sun-synchronous orbit ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under ...

We’ve wondered what powered the Sun for centuries. Early guesses included meteor showers, chemical combustion, and ...

NASA / GSFC / Arizona State University Soil samples from the far side of the moon suggest the little-known, distant face of our natural satellite is much drier than the side that faces Earth ...

Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon — the moon is full twice in a month (or four times in a season ...

See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025. Today, April 17, 2025, the moon is 19 days old and is in the Waning Gibbous phase of its lunar ...

Donation Options Search Search Search Chicago Inspector General Deborah Witzburg speaks ... waste and abuse in city government. Ashlee Rezin/Sun-Times Share A Department of Streets and Sanitation ...