Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in February.

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about the day-to-day of school ...

NASA’s New Horizons mission changed our understanding of the outer solar system. After its famous Pluto flyby, it traveled ...