When you look up in the night sky, our moon is unmissable.Just like Earth, it's round and has a solid, rocky surface. But is ...

Astronomers found hidden cosmic channels connecting our solar system to distant stars, reshaping views of interstellar space.

In the past, people thought the Earth was the center of the universe and everything revolved around it. This was a fairly ...

Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth causing climate chaos on Earth, Mars and Venus. One of the most common types of planets in ...

The Milky Way is one of billions of galaxies in the universe and home to our own solar system. It appears as a hazy band in the sky when viewed from Earth.

On Christmas Eve, the Parker Solar Probe was set to become the closest spacecraft to the sun, flying within a few million miles of the solar surface.

Looking up into the night sky, it can be difficult to comprehend the vastness of the space that surrounds the Earth – and the ... the biggest planet in our solar system, according to NASA.

Explore the universe ... like water to Earth early in the planet’s history. The discovery doubles the known number of these mysterious celestial objects across our solar system that resemble ...