Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...

Astronomers have finally pinned down both the mass and distance of a solitary “rogue” planet, a world that drifts through ...

A highly stylized rendition of our solar system NASA/JPL If someone asked which planet was closest to Earth, you’d be pretty certain — it’s Venus. We measure distances in the solar system in terms of ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

The universe, as Douglas Adams so memorably explained, is big. Really big. But so are the things inside it -- even objects like the Solar System, which on a galactic scale are absolutely minuscule. A ...

The Great Red Spot is a gigantic storm, twice the size of Earth, that has swirled for centuries. It’s just one of many on the ...

Astrobiologists disagree about whether advanced life is common or rare in our universe. But new research suggests that one thing is pretty certain – if an Earthlike world with significant water is ...

To address your second question first, Bode’s law was announced by astronomer Johann Titius in 1766, but popularized in 1772 by Johann Bode. The law states that the spacing between planets in our ...

Daniel Apai receives funding from NASA, Heising-Simons Foundation, Department of Defense, Space Telescope Science Institute, and the University of Arizona, and leads the NASA-funded Alien Earths ...