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 ...

From the night of September 7 to the early morning of September 8, 2025, a spectacular total lunar eclipse will occur, ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

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

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It was found in the constellation Piscis Austrinus, which can be seen in ...

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 ...

Aside from 2025 PN7, there are 7 other quasi-moons, according to the Planetary Society, which they refer to as “a gravitational sleight of hand.” From our terrestrial point of view, they may appear to ...

The region where the gravitational influence of Earth is the dominant force, is called the Hill Sphere. This extends up to ...

A coronagraph is used to study the sun, but recently NOAA's instruments caught the moon as well. To study the sun, scientists use a specialized telescope called a coronagraph. This instrument mimics a ...

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

A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

Could an ocean – likely needed to sustain life – even survive on a planet orbiting close to a dead star? The sun will someday ...