Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

Tides come from a difference in gravity across an object. The force of gravity exerted by the Moon is about 4% stronger on the side of Earth that faces toward the Moon, compared to the opposite side ...

The NOAA GOES-18 and GOES-19 satellites saw a solar eclipse as the moon blocked out the sun mere hours before a lunar eclipse ...

If you’ve ever felt like you need more hours in the day, well how does 60 sound? A new study suggests we’d have 60-hour days by now if a stalemate between the Sun and Moon hadn’t interfered with Earth ...

If you didn't catch the " blood moon " Sept. 7-8 from your backyard in the United States, there's a perfectly good ...

Eclipses are a common phenomenon and throughout history have often been associated with ominous predictions. The number of solar eclipses on Earth (total, annular or partial) is about 5 per year.

A Dec. 28, 2023, Facebook post (direct link, archive link) claims humanity's basic understanding of the solar system is flawed. "They say the sun is 400 times larger than the moon and that it only ...

Later this month, the earth will briefly gain a new moon. An asteroid called 2024 PT5 will be making a horseshoe-shaped partial orbit around Earth before it breaks free of our planet's gravitational ...