A giant underwater canyon system in the Atlantic appears to have formed through tectonic forces rather than erosion.

Earth’s oceans reached their highest heat levels on record in 2025, absorbing vast amounts of excess energy from the atmosphere. This steady buildup has accelerated since the 1990s and is now driving ...

From Texas clear to Georgia, from the Gulf Coast on up to the Canadian border, a mass of dangerous heat has started spreading like an atmospheric plague. In the days and perhaps even weeks ahead, a ...

Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet ...

When 28-year-old Sonelal Prasad left home on the morning of June 16 for his job at a construction site in Mumbai—the financial capital of India—he didn’t know he’d be digging his own grave. As he ...

Extreme heat puts stress on everyone's bodies. In recent years, scientists and policymakers have homed in on the risks heat poses to older people, whose bodies become more sensitive to heat with ...