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.
New findings may help scientists understand how the largest stars in the universe die.
An automatic telescope network could conduct tedious measurements at centers of galaxies.
Eclipses would be a thing of the past.
Astronauts should pack sleeping tablets and congestion medication before heading for the space station, a new study shows.