Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of ...

The NASA New Horizons spacecraft's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet wavelength, providing a new look at ...

the best evidence for life outside our solar system just got stronger NASA's other powerful space telescopes, including the retired Spitzer Space Telescope and its new James Webb Space Telescope ...

Astronomers finally spotted a previously 'invisible' object near our solar system when they realized it was actually glowing ...

On April 24, 1990, the Space Shuttle Discovery blasted off from Kennedy Space Center, carrying the new Hubble Space Telescope ...