Scientists are increasingly concerned that the planet is headed for massive, irreversible changes due to global warming. In some cases, those changes have already begun.
Well-meaning city dwellers forgo permits and official procedure to rewild urban areas across the country. In downtown LA, artist Doug Rosenberg is trying to push the grassroots movement forward.
Scientists have extracted the oldest RNA molecules out of a woolly mammoth, gaining a snapshot into the processes at work in the extinct mammal's body just before it died.
Some of the country's highest home insurance prices are in the central U.S., a region generally considered to be protected from climate-driven disasters such as wildfires and hurricanes.
Home insurance is getting less affordable, and less available, as insurers raise prices and pull back from areas with extreme weather. That's forcing families across the country to make tough choices.
The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said the vibrant displays could be visible across much of the northern U.S.
James Watson, who co-discovered the structure of DNA has died at age 97. He was a scientific superstar until he made racist remarks that made him an outcast.
President Donald Trump announced Tuesday he has decided to nominate Jared Isaacman to serve as his NASA administrator, months after withdrawing the tech billionaire's nomination because of concerns about his political leanings.