NASA's Solar Dynamics Observatory captured a partial solar eclipse. See its view in multiple wavelengths. Credit: Space.com | ...

Gravitational distortions produced by distant galaxies show a slight—but notable—disagreement with Einstein's predictions.

Occasionally, during explosions called coronal mass ejections, the Sun releases charged particles that speed across the solar ...

President-elect Donald Trump and President Joe Biden, longtime political rivals, met on Wednesday for the first time since ...

President Joe Biden will host President-elect Donald Trump at the White House on Wednesday for a meeting designed to ...