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 ...

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 ...

As the Hubble Space Telescope approaches 35 years since its launch, marking over three decades of incredible images of the ...

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 ...