When the Sun runs out of hydrogen fuel and expands into a red giant, it will eventually encompass the innermost planets of the solar system, out to about Earth’s orbit. Being closer to our enlarged ...

Planets orbiting dead stars known as white dwarfs might be able to remain habitable thanks to general relativity subtly altering their motion. When stars like our sun run out of fuel, they expand and ...

Our solar system is way more bizarre and dynamic than what our school textbooks taught us. From Venus being super hot to ...

What can rocky planets orbiting in the outer parts of a solar system teach scientists about planetary formation and evolution? This is what a recent study published in Science hopes to address as a ...

Astronomers have captured some of the most detailed images of debris discs—rings of leftover dust, gas, and rocks that circle a star—from fully formed, "teenage" planetary systems. And those images, ...

Chris Impey has received funding from NASA, NSF, Howard Hughes Medical Institute, and the Templeton Foundation. If you look across space with a telescope, you’ll see countless galaxies, most of which ...