Turn your telescope on the moon at sunset on Oct. 28 to see a colossal "X" and "V" form on the lunar surface as sunlight ...

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

NASA's Solar Dynamics Observatory captured a partial solar eclipse. See its view in multiple wavelengths. Credit: Space.com | Animation & imagery credit: NASA/SDO and the AIA, EVE, and HMI science tea ...

See footage of the Orion Spacecraft a little over an hour before its "outbound powered flyby burn". The spacecraft was less ...