NASA’s formidable gamma-ray burst hunter is doomed to soon reenter Earth’s atmosphere, leaving a glaring gap in our view of the high-energy sky

What do we lose when machines become our closest confidants?

A quarter of a century after the Twin Towers fell, those who lived through the attacks are still seeking care for myriad illnesses, including cancers, post-traumatic stress disorder, and more

The fires are burning peatlands, which can release more particulate matter into the air than other wildfires

The Pacific Ocean has seen an especially active hurricane season so far, while the Atlantic has had barely a whimper of a storm. Experts explain why

NASA’s satellites captured the aftermath of the eruption, which lasted for more than a day

The planet’s “wrinkles” give scientists a clue into how the world is contracting in size

The looming El Niño conditions, combined with the warming effects of climate change, contributed to the historic temperatures

What happens when machines surpass the most brilliant human minds? Mathematicians are finding out

Gondwana was much bigger than we thought, according to the new analysis