Unlike humans, many plants have more than two sets of chromosomes. This trait may help them adapt to environmental upheaval, such as climate change.

The Justice Department has a new special unit investigating violations of gun rights, and it's suing cities and states with gun control laws that may be vulnerable after recent Supreme Court rulings.

The Trump administration's approach on AI so far has been to prioritize innovation over regulation. But recently, there's been a shift in rhetoric.

The education secretary faced questions about the shrinking of her agency, limits on federal student loan borrowing and oversight of the education of students with disabilities.

Cuba's aging power grid has eroded in recent years as it faces a prolonged economic crisis, made worse by a U.S. energy blockade of the island.