Just a month after the failed mission, a second American lunar lander is ready for an attempt

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. After a failed moon landing mission last month, NASA is pinning its hopes on a second spacecraft — developed by a separate company — that will make the first moon landing for the United States … Read more

Alex Ovechkin’s shot at hockey’s most hallowed record is quickly fading. Why?

6 weird invasive species wreaking havoc in the US, from self-cloning ticks to 20-pound rodents with orange teeth

These foreign invasive species can damage crops and soil and threaten native plant and animal species.Monique van Someren/Getty Images; Photo by Tambako de Jaguar/Getty Images; Craig Cordier/Getty Images Invasive animals threaten native species, damage agricultural crops and pose health risks to humans. Some of the stranger invasive species include hammerhead worms and giant snails. Here … Read more

How bad are the San Jose Sharks?