It is Betelgeuse and for hundreds of years astronomers have puzzled why its twinkle grows lighter and then dimmer over time.

The Parker Solar Probe is revealing a side of the Sun humanity had never seen—offering new hope for protecting astronauts and tech from deadly solar storms.

FROM roiling storms, rare comets and volcanic eruptions, there is lots to see aboard the International Space Station (ISS).

Misunderstandings, travel disruptions, communication issues — these are all things commonly associated with Mercury ...

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented ...

NASA released the closest-ever images of the sun’s atmosphere. CNN’s Jackie Wattles explains what scientists could learn from ...

SYFY ’s The Ark follows the crew of an interstellar spacecraft on a multi-light-year journey to the star next door. In the ...

For the first time ever, scientists have captured the process of planets forming in their earliest stages. The ground-breaking photos were captured by the ALMA telescope in Chile and NASA's James Webb ...

NASA’s Parker Solar Probe flew just 3.8 million miles from the Sun, capturing the closest-ever images of its corona and solar ...

The Parker Solar Probe passed through the sun’s corona late last year, coming within 3.8 million miles from the surface of ...

The closest images ever taken of the Sun are proving to be a treasure trove for scientists. The newly released NASA images taken by the Parker Solar Probe during a historic flyby beginning on ...