Imagining our infant universe

During the Planck era, the universe was so small that our laws of physics break down. To dive deeper back in time, we’ll need new scientific language.

50 years ago: Apollo 16 roves the lunar highlands

The fifth crew to land on the Moon took lunar geology to new heights.

Chang’e 5 rewrites lunar history

The mission’s samples are the youngest lunar rocks yet found, leaving scientists wondering how the Moon stayed hot for so long.

Check out these classic sky guides

Modern tech has made stargazing more accessible, but nothing beats an old- school observing guide.

The strange history of Mercury’s spots

Giovanni Schiaparelli didn’t just see canals on Mars. He also recorded odd markings on Mercury.

Comb through Berenice’s hair

Packed with a veritable smörgåsbord of galaxies, Coma Berenices is on full display this month.