A blood moon, a captivating celestial event, occurs during a total lunar eclipse when Earth's shadow casts a fiery red glow ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

A NASA-funded study reveals that space travel may accelerate aging by impacting blood-forming stem cells. Analysis of stem ...

During the total lunar eclipse, Saturn appeared bright near the Moon. The skies were mostly clear, enhancing the view.

Sept. 22 is the autumn equinox, the officials start of astronomical fall in the northern hemisphere. Both day and night are ...

The umbra is the dark, inner shadow of Earth. Shaped like a cone, it stretches deep into space. Its circular cross section ...

Once the eclipse starts, the full moon will take on a reddish hue and look like a chunk has been taken out from one side, ...

Caltech experiments uncovered a stable double helix state in plasma flux ropes. The same principles explain cosmic structures such as the Double Helix Nebula. Research into the Sun’s outer atmosphere ...

A total lunar eclipse will cause the moon to appear a rusty-red color in some parts of the world, but no the U.S., in early September. What to know.

September's full moon is also 2025's second total lunar eclipse, also known as a "blood moon." Unfortunately, it won't be ...

A total lunar eclipse will soon cause the moon to appear a rusty-red color in some parts of the world, but not the U.S. or ...

Research offers new insights into protecting Earth from harmful solar radiation. A team at the Twin Cities has identified and studied a previously unknown type of plasma wave within Jupiter’s aurora.