

UNVEILING Andromeda’s true nature
A line of scientists from the 10th to the 20th centuries was essential to realize this galaxy’s identity.
WHAT’S HIDING AT THE LUNAR POLES?
The world’s spacefaring nations are all eyeing the Moon’s south pole, seeking water, rare metals, and answers about our satellite’s history.
THE MILKY WAY
Scientists are turning to simulations and experiments to understand how life-indicating molecules behave. For the first time in human history, these musings are not idle fantasy.
DID EARTH ONCE HAVE A RING?
Long before the dinosaurs, our planet may have looked a little like Saturn. We could have seen it for ourselves if humans had were around several hundred million years ago.
UNVEILING Andromeda’s true nature
A line of scientists from the 10th to the 20th centuries was essential to realize this galaxy’s identity.
WHAT’S HIDING AT THE LUNAR POLES?
The world’s spacefaring nations are all eyeing the Moon’s south pole, seeking water, rare metals, and answers about our satellite’s history.
THE MILKY WAY
Scientists are turning to simulations and experiments to understand how life-indicating molecules behave. For the first time in human history, these musings are not idle fantasy.
DID EARTH ONCE HAVE A RING?
Long before the dinosaurs, our planet may have looked a little like Saturn. We could have seen it for ourselves if humans had were around several hundred million years ago.