New observations point to processes driving away the atmosphere, rendering the planet's surface inhospitable to life.
In a new book, Sean Carroll brings together physics and philosophy while advocating for "poetic naturalism."
New research appearing in the journal Nature explains the careful choreography of a multi-planet system called Kepler-233.
Astronomers examine pairs of tiny colliding galaxies, twisting each other and tugging at their clouds of gas.
After top dark matter candidate fizzles out, physicists look to more exotic realms.
Images of distorted galaxies provide a new resource for studying dark matter and dark energy.
Our planet might not have always been the biggest rock in the inner solar system.
Assessing what the LIGO detection means for other gravitational wave searches.
Scientists detect billion-year-old gravitational message.
Review of NASA reports highlights the challenges of nourishing astronauts on years-long trips.