A single discovery in the outer solar system forced astronomers to confront a problem they couldn’t ignore, ultimately ...

Venturing past Jupiter is a generational challenge. This video explores the extreme frontiers of human spaceflight, where ...

The colliding objects are at least 37 miles across — at least four times larger than the object that collided with Earth 66 ...

Our fundamental understanding of Neptune and Uranus may be completely wrong, say researchers rethinking our solar system.

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

Last month, Google quietly killed off Google Sky Maps. But there’s still another way to virtually explore most of the solar system a la Google Maps: it’s called Google Maps in Space. Google Maps in ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on whom ...