Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...

Mars starts May not far from the Beehive star cluster, Venus is unmistakable in the predawn sky, and Mercury looks best early ...

The National Science Foundation’s Daniel K. Inouye telescope debuted a close-up of the sun captured by its new, ...

Aisling O'Hare, who led the study, told Newsweek she's "excited" about what the science world can learn from the data.

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new ...

Imagine the extreme and unchanging climate conditions if one side of the Earth perpetually faced the Sun.

The European Space Agency's Solar Orbiter spacecraft has sent back one of the most detailed images of our star so far on its ...

In Hyderabad, the crescent will be facing away from Venus, which—if anything—would resemble a frown rather than a smile.

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory captured ...

Solar Orbiter just delivered its most jaw-dropping image yet—an enormous, detailed snapshot of the Sun's blazing outer ...

In a rare and fleeting display early this morning, the skies offered a delightful surprise — a celestial ‘smiley face’ formed ...

A new supermoon will be on the rise this weekend. "A new moon occurs when the moon is positioned between the Earth and the sun, resulting in the side of the moon facing Earth being unilluminated," ...