Japan's Hayabusa 2 spacecraft and its science team bid a bittersweet farewell to the asteroid Ryugu, 180 million miles from Earth, and began the months-long return trip to Earth with a precious set of samples. "This is an emotional moment!" the team tweeted on Tuesday. “It's sad to say goodbye to Ryugu,” project manager Yuichi Tsuda said at the Japan Aerospace Exploration...
Southwest Florida is warily watching the return of red tide, a toxic algae bloom that cost businesses nearly $150 million in losses last...
Next time you visit your hairdresser spare a thought for the pigeons. For a long time scientists thought the fact that pigeons in urban environments often lost their toes was due to some form of infection, or was a reaction to chemical pollutants. The team from the National Museum of Natural History and the University of Lyon recorded the occurrence and extent of toe mutilations from pigeons...
Recreational marijuana is legal in 11 states, and some Democratic presidential candidates have said the drug should become legal...
Astronomers have identified thousands of stars that have planets, and that number could mushroom even faster when waves of next-generation telescopes come online. But where are the best places to look for life? A newly released study focuses on the most plentiful category of stars in our Milky Way galaxy — M-dwarf stars, also known as red dwarfs — and delivers good news as well as bad news for...