While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

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Science fiction promises faster-than-light travel and easy journeys to other stars, but physics may have built a prison ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming into view, revealing hints of a surprising past – and the origin of Saturn's ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Introduction: NASA's solar system exploration paradigm : the first fifty years and a look at the next fifty / James L. Green and Kristen J. Erickson -- Part I. Overview. Exploring the Solar System : ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

🛍️ Amazon Prime Day: The best deals chosen by our editors 🛍️ By Andrew Paul Published Apr 24, 2024 11:53 AM EDT Add Popular Science (opens in a new tab) More information Adding us as a Preferred ...

Estimating ages of specific events is one of the most difficult problems in astrophysics. While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each ...

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...

Oh, we humans do love a cleanly defined boundary, don’t we? They make things easier, after all. If we’re trying to categorize something, knowing what labeled bin to put it in is handy. If we’re ...