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Astronomy October 21, 2015

Faint smudges may indicate Comet ISON survived sun encounter

A comet that gained an earthly following because of its bright tail visible from space was initially declared dead after essentially grazing the sun. Now, there is a silver of hope that Comet ISON may have survived.

Sun October 21, 2015

Monday was the Sun’s angriest day in years

The sun, it seems, is in overdrive. Late Monday night, the sun unleashed its third major solar flare in 24 hours — the biggest and most powerful solar storm of the year, so far.

NASA October 21, 2015

Sun unleashes biggest solar flare of the year yet

The most powerful solar flare of the year erupted from the sun Thursday sparking a temporary radio blackout on Earth, NASA officials say.

Sun October 21, 2015

Earth is closer to the sun today than in rest of 2013

If the sun looks a little larger than usual today, you're not seeing things. Jan. 2 marks the the point in Earth's orbit at which it is closest to the sun.

Planets October 21, 2015

Surviving solar storms: Could the 'Scorch Trials' world become real?

Some researchers are warning not all states in the U.S. will be ready for the threat of solar storms. Will your state survive a mega-blast from the sun?

Moon October 21, 2015

Partial solar eclipse today: A weather forecast

Viewers throughout most of the United States are in position to see a partial solar eclipse Thursday afternoon (Oct.23).

Sun October 21, 2015

Huge solar flare delays rocket launch to Space Station

Worries over space weather radiation caused by a huge solar flare unleashed from the sun have delayed by 24 hours the planned launch of a private cargo ship to the International Space Station.

Sun October 21, 2015

Sun's magnetic field will flip soon

The sun's polarity is getting closer to flipping.

Astronomy October 21, 2015

Rare solar eclipse wows skywatchers

A rare solar eclipse that began as a "ring of fire" and transformed into a spectacular total eclipse of the sun amazed skywatchers from North America to Africa.

Sun October 21, 2015

Massive solar storms may peak this year -- again

The sun is surprisingly quiet at the moment, but that may be because our star is gearing up for the second phase of a one-two wallop in its 11-year activity cycle, some scientists say.

Astronomy October 21, 2015

NASA finds star as cold as North Pole

A brown dwarf as cold as the North Pole has been discovered lurking remarkably close to our solar system, and it appears to be the coldest of its kind yet found, scientists say.