First case of coronavirus reinfection confirmed, researchers say By Yasemin Saplakoglu A man in Hong Kong was reinfected with the novel coronavirus twice, but didn't develop any symptoms the second time.
'Death screams' of swarming bacteria help their comrades survive antibiotic attacks By Mindy Weisberger Swarms of bacteria can survive encounters with antibiotics because some of the dying microbes emit "chemical death cries," an action known as necrosignalling.
A supernova may have triggered a mass extinction on Earth 359 million years ago By Mindy Weisberger The supernova of a star around the end of the Devonian period bathed Earth in radiation and exterminated species worldwide.
Live Science podcast 'Life's Little Mysteries' Episode 48: Mysterious Beer By Live Science Staff This alcoholic beverage has quenched thirsts for thousands of years and is one of the oldest chemistry experiments in the world.
Massive stone structures in Saudi Arabia may be some of oldest monuments in the world By Owen Jarus Mysterious stone structures that dot lava fields and deserts across Saudi Arabia may be some of the oldest monuments in the world, scientists say.
Amazing images: The best science photos of the week By Brandon Specktor Here are the stories behind the most amazing images in the world of science this week. A recap of the coolest photos featured on Live Science.
A supernova may have triggered a mass extinction on Earth 359 million years ago By Mindy Weisberger The supernova of a star around the end of the Devonian period bathed Earth in radiation and exterminated species worldwide.
Astronaut spots California wildfires from space, sends 'thoughts and prayers' to victims By Meghan Bartels California is on fire, with more than 360 individual blazes scorching across the state. Unsurprisingly, the effects are visible from space.
Clouds of star-forming gas are being shot 'like bullets' across the galaxy By Brandon Specktor Two clouds of cold-star forming gas are sailing on the Milky Way's hot nuclear wind, and nobody can explain why.
Rainbow meteorite discovered in Costa Rica may hold building blocks of life By Rafi Letzter A small, soft smacked into Costa Rica on April 23, 2019. And it carried dust older than our sun, as well as clues regarding how life formed on Earth.
Can carrots give you night vision? By Benjamin Plackett No, Churchill just really wanted Brits to eat more carrots.
Mummified kitten 'strangled' to death before being offered to the gods, new 3D scans reveal By Brandon Specktor Researchers scanned the mummified corpses of a cat, a snake and a bird, revealing the grim details of their deaths
First case of coronavirus reinfection confirmed, researchers say By Yasemin Saplakoglu A man in Hong Kong was reinfected with the novel coronavirus twice, but didn't develop any symptoms the second time.
Coronavirus news of the week (VIDEO) By Nicoletta Lanese Catch up on important COVID-19 news from Live Science.
Florida releasing genetically modified mosquitoes to prevent diseases like Zika By Nicoletta Lanese Some oppose the plan, citing environmental concerns.
'Death screams' of swarming bacteria help their comrades survive antibiotic attacks By Mindy Weisberger Swarms of bacteria can survive encounters with antibiotics because some of the dying microbes emit "chemical death cries," an action known as necrosignalling.
Fossilized 'ocean lizard' found inside corpse of ancient sea monster By Laura Geggel An ichthyosaur devoured a thalattosaur about 240 million years ago.
This palm-sized elephant relative was just sighted for the first time in 50 years By Yasemin Saplakoglu A bit of peanut butter lured the wee mammal out from the rocky lands of Djibouti in the Horn of Africa.
Sly fox steals 100 shoes in Berlin, and he's not the first By Mindy Weisberger Authorities finally identified the culprit responsible for the mysterious disappearance of dozens of shoes from a German neighborhood.
Sleeping microbes wake up after 100 million years buried under the seafloor By Rafi Letzter The microbes had been dormant below the ocean floor for eons, buried since the time of the dinosaurs. Then a team of scientists in Japan woke the little organisms up.
Pentagon's secret, defunct UFO-hunting program may still exist By Mindy Weisberger A federal program for investigating UFOs was purportedly discontinued in 2012, but the Pentagon's search for UFOs never stopped. Its findings may soon be released to the public.
Will the 2020 election be a 'fraudulent mess'? The science says no. By Stephanie Pappas Mail-in voting does not seem to promote one political party over another, nor does it seem subject to rampant fraud, as President Trump has claimed.
Pandemic childcare is way more stressful for moms than dads By Stephanie Pappas Staying at home has mixed effects on gender equality.
Beirut blast: How does ammonium nitrate create such devastating explosions? By Live Science Staff Fertilizer is behind many of the worst accidents and terrorist attacks in history.
Nikola Tesla vs. Thomas Edison: Who was the better inventor? By Tia Ghose Nikola Tesla and Thomas Edison battled it out in the "War of Currents," but each inventor left a significant scientific legacy.
Scientists create a pattern so complicated it's impossible to duplicate By Diane Lincoln Scientists just created a pattern that, according to researchers, is impossible to duplicate or forge, a feat that could quash counterfeiters.