See the year’s most striking images from the Hubble and James Webb space telescopes, NASA’s Mars rover and the best sky watching on offer ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its ...

The Parker Solar Probe is expected to pass within an "unprecedented" 3.86 million miles of the solar surface on Dec. 24, ...

Venus will pass to the north of the much-fainter bluish star Regulus (in Leo, the Lion) on the morning of Sept. 19; the planet and star will appear low in the east-northeast predawn sky, separated by ...

Operations teams have confirmed NASA’s mission to “touch” the Sun survived its record-breaking closest approach to the solar surface on Dec. 24, 2024.

In the solar system, these planets are closer to the sun and are therefore warmer than ... contribute to the different colors seen in images taken in visible light. While scientists expect the ...