Astronomers say they have directly detected the first-ever radio emission from a planet outside the solar system. The signal, however, is evidence of a colossal magnetic field — not intelligent life.

For centuries, scientists including Isaac Newton thought that the finely balanced gravitational pull between Jupiter and the Sun would eventually unravel the stability of the solar system. Recent ...

GJ 3090 b, a sub-Neptune 72 light-years away, circles its red dwarf against the star's own spin. In every comparable system a ...

On Saturday, 19 September 2026, at the Orthodox Parish of the Holy Great Martyr Menas and the New Martyr Ephraim, the Wonderworkers, in San Lorenzo di Sedegliano (Udine), the new year of the ...

Planets without stars to orbit raise important questions about how planets evolve and what habitability might look like across the cosmos. Rogue planets careen through interstellar space without the ...

There’s less Mercury in the system. Scientists found that Mercury, the solar system’s smallest planet, is shrinking far faster than previously believed, offering a never-before-seen window into the ...

The BepiColombo mission, by the European Space Agency and the Japan Aerospace Exploration Agency, is only the third to study our smallest planetary neighbor ...

Do the planets revolve around the sun? Sort of. Our solar system moves around a common center of mass, called a barycenter. And right now, that barycenter isn’t even inside the sun! The barycenter of ...

The Solar System didn't always exist as we know it today. It's about 4.5 billion years old and took quite a long time to settle down into the relatively stable system of planets and other bodies ...

Pluto is now the most well known of the outer worlds beyond Neptune—and the darling of the solar system Kayla Randall | Digital Editor, Museums A view of Pluto from NASA’s New Horizons spacecraft ...

A planetary alignment, an active meteor shower and a solar eclipse will be viewable Aug. 12 Thanks to a new moon, peak Perseids meteor activity should occur in optimum viewing conditions. A partial ...

Join us on a tour of our solar system with John O’Meara, chief scientist at the W.M. Keck Observatory in Hawaii. We’ll answer all of your questions about planets! How were the planets in our solar ...