Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...

SETI Institute communications specialist Beth Johnson welcomed Professor Dagomar Degroot, environmental historian at Georgetown University, for a discussion on his new book Ripples on the Cosmic Ocean ...

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 ...

To uncover the history of our solar system, it is necessary to study the dynamic evolution of the ancient solar nebula materials. These materials interacted and coevolved with the weak but widespread ...

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

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 ...