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By Taylor Nicioli, CNN (CNN) — Look up at the night sky this week for a chance to see high-speed meteors and bright fireballs from two meteor…

By Jacopo Prisco, CNN (CNN) — Four years ago, the unexpected discovery in the clouds of Venus of a gas that on Earth signifies life —…

By Laura Paddison, Jen Christensen, Mary Gilbert, Henry Zeris, Yukari Schrickel, Lou Robinson and Way Mullery (CNN) — Philip Kreycik should…

By Ashley Strickland, CNN (CNN) — Experimentation is the basis of the scientific process — and it’s at the heart of what it means to be…

By Ashley Strickland, CNN (CNN) — While Danish astronomer Tycho Brahe is best known for his celestial discoveries made in the 16th century —…

By Rebecca Cairns, CNN (CNN) — As Global Tiger Day rolls around, there’s good news for the big cats in Thailand. The tiger population in the…

By Ashley Strickland, CNN (CNN) — The NASA Perseverance rover may have found a pivotal clue that’s central to its mission on Mars: geological…

By Jackie Wattles, CNN (CNN) — SpaceX’s Falcon 9 rocket — the most prolific launch vehicle in the world — is ready to return to flight…

CNN By Jackie Wattles, CNN (CNN) — After weeks of troubleshooting and recent tests meant to replicate the issues plaguing Boeing’s Starliner…

By Jackie Wattles, CNN (CNN) — After weeks of troubleshooting and recent tests meant to replicate the issues plaguing Boeing’s Starliner…

By Issy Ronald, CNN (CNN) — Blushing was once thought to be the “most peculiar and most human of all expressions,” as Charles Darwin put…

By Ashley Strickland, CNN (CNN) — A glowing supernova remnant, a nebula shaped like a cat’s paw and the iconic “Pillars of Creation” are…

By Ella Nilsen, CNN (CNN) — Environmental Protection Agency administrator Michael Regan is bullish on his agency’s prospects against the…

By Jack Guy, CNN London (CNN) — Komodo dragons, the world’s largest species of lizard, have iron-tipped teeth that help them to rip their…

By Jackie Wattles, CNN (CNN) — Rare footage captured by a camera strapped to the back of an endangered shark shows the jarring moment it was…

By Ella Nilsen, CNN (CNN) — As Vice President Kamala Harris marches toward the Democratic nomination, climate advocates like what they see.…

By Angela Fritz, CNN (CNN) — Sunday was the hottest day in recorded history, according to preliminary data from a climate tracking agency…

By Jack Guy, CNN (CNN) — Sharks living off the coast of Brazil have tested positive for cocaine, according to new research, the first time that…

By Laura Paddison and Chris Liakos, CNN (CNN) — The Greek Islands, known for their idyllic towns, rugged landscapes and sun-baked beaches, are…

By Katie Hunt, CNN (CNN) — A mysterious phenomenon first observed in 2013 aboard a vessel in a remote part of the Pacific Ocean appeared so…

By Ella Nilsen, CNN (CNN) — The massive offshore wind turbine blade that broke and spread fiberglass and foam debris across Nantucket beaches…

By Ashley Strickland, CNN (CNN) — As the full moon shines in the night sky this weekend, take a moment to revel in its beauty and search for a…

By Ashley Strickland, CNN (CNN) — The Curiosity rover has made its most unusual find to date on Mars: rocks made of pure sulfur. And it all…

By Taylor Nicioli, CNN (CNN) — July’s full moon will shine bright in the sky this weekend — and lands near the anniversary of a special…

By Ella Nilsen, CNN (CNN) — Debris from a broken offshore wind turbine has for days been washing up on the Nantucket shore, prompting beach…

By Sharon Braithwaite and Sophie Tanno, CNN (CNN) — Five activists of the Just Stop Oil environmental campaign have been handed prison…

By Jack Guy, CNN (CNN) — Hopes have been raised for the future of a critically endangered species of crocodile after 60 eggs hatched in the…

By Catherine Nicholls, CNN (CNN) — A Stegosaurus skeleton has become the most valuable fossil ever sold at auction, being snapped up for $44.6…

By Taylor Nicioli, CNN (CNN) — A meteor bright enough to be spotted in broad daylight streaked across the sky on Tuesday morning, catching the…

By Ashley Strickland, CNN (CNN) — Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings…