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Sun October 21, 2015

Solar winds tied to increased lightning strikes

Solar winds hitting Earth may trigger an increase in lightning, a new study suggests

NASA October 21, 2015

NASA spots square-shaped 'hole' in the sun

A NASA spacecraft has made a surprising find on the surface of the sun: a square-shaped "hole" in the star's outer atmosphere.

Astronomy October 21, 2015

Black hole gas guzzler may explain weird superbright X-rays

A black hole is eating a star faster than scientists had thought was possible, and it's unleashing unusually bright X-ray signals that may help scientists understand a group of weird, superbright objects in deep space.

Moon October 21, 2015

The moon bites a chunk out of the sun

On July 26, NASA’s Solar Dynamics Observatory (SDO) noticed something peculiar about its normally uninterrupted view of the sun — a chunk was missing.

Sun October 21, 2015

Sun unleashes major solar flare

The sun erupted with a massive solar flare late Thursday, triggering a temporary communications blackout on some parts of Earth.

Sun October 21, 2015

Sun's 8.2-billion-year-old twin found

About 250 light-years away in the constellation Capricornus (The Sea Goat) lies a star that looks awfully familiar.

Sun October 21, 2015

Sun will flip its magnetic field soon

The sun is gearing up for a major solar flip, NASA says.

Moon October 21, 2015

'Ring of fire' solar eclipse today: how to watch live

The moon will block part of the sun today to create a potentially amazing "ring of fire" and you can watch the celestial sight live online.

Astronomy October 21, 2015

'Ring of fire' solar eclipse this week: what you need to know

On Thursday and Friday, skywatchers in parts of Australia and the Pacific region will be treated to a spectacular "ring of fire" solar eclipse, in which the moon blots out all of the sun except for its outer edge.

Sun October 21, 2015

Giant solar wave erupts from the sun

The sun celebrated May Day with a spectacular solar eruption Wednesday, unleashing a colossal wave of super-hot plasma captured on camera by a NASA spacecraft.

Mars October 21, 2015

Sun, Mars, Earth to align in rare cosmic event and more in April's night sky

Planets abound in the night sky this month.