Christa Pike has regained consciousness and is speaking a week after receiving two doses of execution drugs in Tennessee

Scientists Henri B

Interpol has announced a major crackdown on environmental crime in Latin America and the Caribbean, leading to 233 arrests

A Belgian-born scientist has won the Nobel Prize in physics for his efforts to demystify a rare group of neutrinos, tiny cosmic particles that researchers believe offer clues to how the universe evolved

Off-grid solar power is spreading across Brazil’s Amazon, helping remote communities prepare for severe drought while replacing costly, polluting diesel generators

Dr. Karl Deisseroth spent hours fielding congratulatory calls after learning that he had won a Nobel Prize for medicine for helping to open a new field of brain science called optogenetics

The Supreme Court is considering whether local governments can sue oil and gas companies for climate change costs

The Nobel Prize in medicine has been awarded to three scientists whose work led to a tool that uses light to help unravel how the brain works

Composting leftover coffee grounds, eggshells and carrot tops is a way to reduce the amount of food waste that goes into landfills, where it produces the potent greenhouse gas methane