Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

Skygazers across Texas and beyond can catch a glimpse of six planets arcing across the night sky this week in a so-called ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

What happens when a solar superstorm hits Mars? Thanks to the European Space Agency's Mars orbiters, we now know: glitching ...

Moons may seem like quiet companions to the planets, but many of them are worlds every bit as fascinating as the planets themselves. Some are covered in oceans, some erupt with lava, and others hide ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path around ...

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...