"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

The sun's gravity will pull the moon farther away from Earth than it's been in over five years on Nov. 19, though it'll be ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Even if the Earth runs out of oil and gas, and a dense veil of smog plunges the world into darkness, we will still have ...

When you think of moons orbiting around celestial bodies, the first that naturally springs to mind is Earth's own moon. Certainly, that moon is ours – it is firmly locked within orbit around our ...

The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

The closest full moon of the year will dazzle the sky this week.November's supermoon or Beaver Moon will reach peak fullness Wednesday at 8:19 a.m. but it will appear full Tuesday through Friday ...

Earlier this week Comet 3I/ATLAS was beautifully captured as it continues to speed away from the Sun following its closest approach to our star ...

Our Moon is slowly drifting away from Earth, not just due to tidal friction as previously thought. New research suggests ...

​The interstellar comet 3I/Atlas has been getting a lot of attention online, especially as it moves closer to the inner Solar System before Christmas. Many people have shared worries, questions, and ...

Indigenous earthworks once dotted a large section of North America. The National Park Service preserves and interprets some ...

This effect is also based on how close the moon is to the Earth, because closer objects have more pull. We see higher tides at new moon and full moon than we do at first and last moon because at full ...