Features

Galactic Archaeology

The Milky Way’s ancient history lies buried in its stardust.

Desperately Seeking Jupiter

Planets around Sun-like stars may be less common than astronomers thought.

Ulysses Meets a Giant

In February, Ulysses became the first spacecraft to visit Jupiter in over 12 years.

A New Slant on Earth

If Earth rotated on its side, our climate would be turned upside down.

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