US spy satellite launch delayed a week after abort in final seconds By Tariq Malik A U.S. spy satellite launch on a Delta IV Heavy rocket was delayed a week after a last-minute abort Saturday (Aug. 29).
Russia declassifies footage of 'Tsar Bomba' — the most powerful nuclear bomb in history By Brandon Specktor In 1961, Russia detonated the Tsar Bomba, the most powerful nuke in history, over a remote Arctic island. New footage has been declassified and shared on YouTube.
How long is a galactic year? By Grant Currin Just as Earth orbits the sun, our sun orbits the galaxy.
Coronavirus news of the week (VIDEO) By Nicoletta Lanese Catch up on important COVID-19 news from Live Science.
Lab confirms first case of coronavirus reinfection in the US By Yasemin Saplakoglu This is the fourth confirmed case of reinfection worldwide.
Can CBD soothe mourning elephants? A Polish zoo is about to find out By Rafi Letzter A zoo in Poland plans to test cannabidiol — also known as CBD, a chemical found in cannabis — on its elephants. The elephants are stressed after a death in the herd.
Seussian beast survived the Triassic by taking lots of naps By Yasemin Saplakoglu Analysis of this Triassic vertebrate's ever-growing tusks revealed that it may have spent part of the year hibernating.
Study hints at how 'elite controllers' stifle HIV By Nicoletta Lanese Some people can suppress HIV without antiviral drugs — how?
Black hole 'hair' could be detected using ripples in space-time By Paul Sutter Hair may record the information swallowed by the gravitational monsters.
A teen unknowingly swallowed a sewing pin. It pierced his heart. By Rachael Rettner The 17-year-old went to the emergency room after experiencing chest pain for three days.
Ancient caiman with 'no parallel in the modern world' left 46 bite marks on sloth leg By Laura Geggel This type of caiman could grow to up to 33 feet in length.
Cells solved Henry VIII's infamous hedge maze by 'seeing around corners,' video shows By Brandon Specktor Cells intuitively avoided dead-ends in a microscopic maze using a technique called chemotaxis.
Hand sanitizers sold in beer cans and children's food pouches? Don't buy them, FDA says. By Rachael Rettner Some hand sanitizer products are being packaged in containers typically used for food and drinks.
Record-setting Hurricane Laura kills 4, leaves trail of destruction across Louisiana By Rafi Letzter The strongest Gulf hurricane since Katrina barrelled ashore in southwestern Louisiana early this morning (Aug. 27). Floodwaters may not recede for days.
FDA gives emergency approval to rapid, cheap coronavirus antigen test By Yasemin Saplakoglu Abbott Lab's rapid antigen test can be run without lab equipment in 15 minutes.
Half the atoms in the planet could be digital data by 2245 By Adam Mann A scientist predicts looming crises based on the growth of digital content
Health experts frustrated with new CDC coronavirus testing guidelines By Yasemin Saplakoglu In an abrupt switch, the CDC changed its COVID-19 testing guidance.
Laura is now a monster Category 4 hurricane By Yasemin Saplakoglu Hurricane Laura "continues to rapidly strengthen" over the Gulf of Mexico.
