An international group of astronomers led by a Harvard Ph.D. student reported their discovery that the Radcliffe Wave — a 9,000 light-year-long gaseous structure in the Milky Way — moves in an ...

A few years ago, astronomers uncovered one of the Milky Way's greatest secrets: an enormous, wave-shaped chain of gaseous clouds in our sun's backyard, giving birth to clusters of stars along the ...

It’s official: El Niño is back. By late fall 2026, forecast models give a 2-in-3 chance of a strong-to-very strong El Niño affecting the weather, climate and ocean temperatures across the planet. El ...

In 2023, almost a year’s worth of rain fell over ten days in parts of northwestern Australia, leading to catastrophic flooding in the town of Fitzroy Crossing and surrounds. The rainfall was linked to ...

Most people know about solids, liquids, and gases as the main three states of matter, but a fourth state of matter exists as well. Plasma—also known as ionized gas—is the most abundant, observable ...