Mercury takes only 88 Earth days to orbit the sun.

The sun's distance from Earth changes throughout the year but it has nothing to do with the seasons ... body's orbit where it is nearest to the sun. Derived from the Greek words peri (around ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Ready for winter to wrap up? The good news is the first day of spring is right around the corner. Here's what we can expect ...

Astronomers have discovered a large Earth-like planet orbiting a distant star that could be home to alien life. The exoplanet ...

The best viewing for January's planetary parade is about 90 minutes after sunset, in as dark and clear a spot as you can find ...

After its close approach to the Earth, 2024 PT5 is slowly receding away in its new, more distant orbit. But surprisingly, the object’s orbit around the sun is similar to Earth’s, suggesting ...

Let's celebrate Groundhog Day, in all its bizarre, quirky strangeness. Let it remind us that we have not subdued nature, but ...

Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com The best rock album ever made isn't from The Beatles, according to fans. See the top 100. Meteorite ...

Watch the full episode: <a href=" the largest star that we've ever discovered. And if it were to replace our Sun, it would change a lot more than just the amount of sunscreen you'd have to put on.

If you think the Australian summer sun feels harsher than a summer in the Northern Hemisphere, you're not wrong. But why that ...

is one that has an orbit intersecting the Earth's orbit around the Sun by less than 0.05 astronomical units (1 AU is the distance to the Sun), that's just over 4.5 million miles," Martin Barstow ...