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A blood moon is coming: Here's what you need to know about the total lunar eclipse on Sept. 7Don't miss the Sept. 7 total lunar eclipse. Find out when and where to see the next blood moon.
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Photographer captures ghostly ripples over Colorado night sky. 'It is rare to see it directly overhead and moving like that'See the stunning timelapse captured by photographer Aaron Watson showing ghostly airglow ripples pass through the Colorado sky.
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Gigantic 500,000-mile 'hole' in the sun's atmosphere aims aurora-sparking solar wind at Earth (photo)The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor geomagnetic activity on Jan. 31.
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Meteor strikes on the moon! Astronomer captures possible Geminid lunar impactsA Japanese astronomer captured several impacts on the moon during the Geminid meteor shower.
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'Cataclysmic' solar storm hit Earth around 2687 years ago, ancient tree rings revealIf this colossal solar storm hit our technologically advanced world the effects would have been devastating.
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Aurora activity is just getting started. Here's why the best northern lights are yet to come.Discover why the best aurora displays occur after solar maximum, and why 2026-2027 could be the year of the northern lights.
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Supermoon Blue Moon 2024: Top photos from around the worldAugust's full moon was the first of four supermoons this year. We've rounded up some of the best photos worldwide.
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'Once-in-a-lifetime' photo: Perseid meteors, northern lights and rare glowing arc shine over 11th-century castleAn astonishing scene featuring Perseid meteors and colorful auroras played out overnight on Aug. 12 and Aug. 13 above the U.K.'s 11th Century Corfe Castle.
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Why is a 'once-in-a-decade' Supermoon Blue Moon happening twice in 2 years?A 'once in a blue moon' event might not be as infrequent as you think.
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Colossal X-class solar flare erupts from 'rule-breaking' sunspot — and Earth is in the firing lineA 'rule-breaking' sunspot has fired off an extremely powerful X-class solar flare, launching a CME toward Earth that could bring vibrant weekend auroras.
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Earth's weather is getting weirder. Here's why.We take a look at the apparent uptick in weird weather events and discuss the possible causes with leading climate scientist Katharine Hayhoe.
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The sun's magnetic field is about to flip. Here's what to expect.When the sun reaches its period of peak activity, known as solar maximum, our star's magentic field will suddenly reverse. But why does it happen, and will it impact Earth?
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What is photosynthesis?Reference Photosynthesis is the process plants, algae and some bacteria use to turn sunlight, carbon dioxide and water into sugar and oxygen.
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Gargantuan sunspot 15-Earths wide shoots powerful X-class flare toward Earth, triggering radio blackoutsA sunspot so big it rivals the gigantic sunspot responsible for the Carrington Event in 1859 has unleashed another X-class solar flare, triggering radio blackouts on Earth.
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How and where to watch the April 8 solar eclipse online for freeOn April 8, 2024, a total solar eclipse will be visible across North America and you can watch all the action live from your own home.
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Watch the 1st X-class solar flare of 2024 erupt from the sun in explosive fashionAn X-class flare, the most powerful type of solar flare, erupted from the sun on Feb. 9, 2024. Lucky for us, Earth wasn't in the direct firing line.
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Colossal 'Martian sunspot' is so big it was seen from Mars. Now it's facing Earth.A group of sunspots measuring more than 15 times the diameter of Earth was imaged by NASA's Perseverance Rover last week; now, the spots are pointed toward Earth, with strong flares possible.
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See 1st-ever Vulcan Centaur rocket blast off into space in stunning photos and videosUnited Launch Alliance's Vulcan Centaur rocket lifted off from Florida's Cape Canaveral Space Force Station early Monday morning (Jan. 8).
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See stunning images of STEVE and auroras from this weekend's powerful solar stormGorgeous photos show the stunning auroras and sky phenomena caused by a powerful geomagnetic storm that slammed into Earth Nov. 5.
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"The birds and the bees": Meaning and origin of the phraseReference "The birds and the bees" is a story parents tell their children to deflect the question "Where do babies come from?" The phrase refers to the talk about sex.
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Watermelon: Health benefits, risks & nutrition factsWatermelons are good for you, provide many health benefits and are packed with nutrients. They are also deliciously refreshing, low in calories and fat-free.
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What is STEM Education?Reference STEM education is a teaching approach that combines science, technology, engineering, the arts and math.
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What is engineering?Reference Engineering is the application of science and math to solve problems. Here we explore the different types of engineering.
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Chromosomes: Facts about our genetic storeroomsReference Chromosomes are thread-like structures made up of deoxyribonucleic acid (DNA) and carry hereditary information for everything from height to eye color.
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