Forecasters said auroral activity could increase through the night, potentially pulling the phenomenon to more states.

Because of light pollution, 80% of U.S. residents typically can’t see the Milky Way, according to LiveScience.com, a science news publication. The galaxy’s bright core will be easier to see and higher ...

No tropical cyclone activity is expected over the next seven days, but Hurricane Center forecasters are watching the tropics ...

A colossal solar filament over twice the distance between Earth and the moon erupted from the Sun's northern hemisphere ...

A faint star in a constellation visible from the Northern Hemisphere after dark may explode on Thursday in what's going to be a once in 80 years occurrence. The moon will cross in front of the Sun ...

As twilight fades to night these May evenings, Mars stands out in the northern ... projecting the current evening sky and pointing out the constellations. Sadly, most of the star patterns don ...

At the south pole, Crux or the Southern Cross is the navigational tool for the southern hemisphere. Visit www.skymaps .com for star maps for the northern hemisphere, equator, and southern hemisphere.

The meteor shower’s radiant – the spot in the night sky from which the meteors appear to radiate – is in the northern-hemisphere constellation ... bringing a star map to help locate the ...

The moon will cross in front of the Sun for around four hours on Saturday, creating a partial solar eclipse that careful skygazers will able to see in parts of the Northern Hemisphere. The eclipse ...

The vernal equinox arrives today, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere. On the equator, the sun will be directly overhead at noon.

Collapsing ocean currents are also likely to precipitate climate impacts across the Northern Hemisphere, threatening agriculture in Northwestern Europe, according to the letter. Other regions ...