The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

People in the Eastern Hemisphere may see Earth’s shadow pass over the lunar surface, covering our world’s natural satellite in a flush of red. By Katrina Miller Katrina Miller has previously reported ...

In this curious film, a pair of friends venture out into the desert to build an accurate to scale model of our solar system.

In August 2025, Pan-STARRS Observatory made a breakthrough discovery by detecting a quasi-moon in Earth's orbit.

An asteroid the size of a commercial jet passed closer to Earth than the Moon on September 3, 2025, in a high-speed flyby that drew global attention from skywatchers and astronomers alike. According ...

On September 7, the moon will turn a coppery red during an 82-minute eclipse, one of the most widely seen celestial shows of the decade. A coppery moon glows above Waterton Lakes National Park in ...

The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases the size of the Moon’s orbit. This means that the Moon gets slightly farther ...

On Sept. 18, 1977, NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and the moon were captured in a single frame. At the time, Voyager 1 was more ...

The Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a ...

The Moon may seem like it should orbit the Sun directly, but Earth’s gravity holds it close. Astronomers say this delicate balance explains tides, eclipses, and why the Moon is locked in Earth’s grasp ...

September's full moon of 2025 will be a very special blood moon set to rise on Sept. 7 — amid a total lunar eclipse and rare moment of totality. Here are some quick facts about why the moon looks red, ...