With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

PRAGUE, Czech Republic — The universe really is expanding — astronomers are proposing to rewrite the textbooks to say that our solar system has 12 planets rather than the nine memorized by generations ...

PRAGUE, Czech Republic — The universe really is expanding — astronomers are proposing to rewrite the textbooks to say that our solar system has 12 planets rather than the nine memorized by generations ...

This image from a simulation of atmospheric flow shows temperature patterns on one of the newly discovered planets (61Virb), which is hot enough that it glows with its own thermal emission. A movie of ...

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space telescope, we're getting a unique peek behind the cosmic curtain into these dusty ...

If you love to look for planets glimmering in the night sky, this is a perfect time to do it. A so-called “planet parade,” when multiple planets appear in the night sky at the same time, is underway ...

TOI 1338 b is a circumbinary planet orbiting its two stars. It was discovered by TESS. Credit: NASA's Goddard Space Flight Center/Chris Smith TOI 1338 b is a circumbinary planet orbiting its two stars ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...