Science

Ko Arimatsu, an astronomer at Kyoto University in Japan, received an intriguing email a couple of weeks ago: An amateur astronomer in his country had spotted a bright flash in Jupiter’s atmosphere.Dr....

Industrial-scale whaling in the 19th and 20th centuries nearly drove many whale species into extinction. Populations of some of the large marine mammals are just starting to recover after the kind of...

Are there galaxy-trotting extraterrestrials zipping through Earth’s skies?A report released on Thursday by a panel convened by NASA does not attempt to provide a definitive answer to that question. Instead, it proposes...

Mexico’s Congress is usually meant to be a venue for solemn presentations on budgets and other serious legislation. But this week, lawmakers heard testimony from a self-proclaimed U.F.O. researcher who brought with...

John Pogonoski, an ichthyologist in Australia, wasn’t about to be fooled by any moray eels. He knew the serpentine fish like to hide among the nooks and crannies of large sponges. But...

Standing around three feet high, the modern koala is roughly 25 pounds of claws and teeth, tufty ears and fluffy white marsupial tummy. You could give one a hug — experts suggest...

Star Trek fans and spider enthusiasts have unexpectedly converged on a new frontier.Scientists in Brazil announced that they had identified three new species of spiders and subsequently named them Kirk, McCoy and...

Once, there were 29. Now at least one is gone, maybe three. Those that remain are almost half the size they used to be.Mount Rainier is losing its glaciers. That is all...

When a mountain-size slab of space rock rammed into the Yucatán Peninsula 66 million years ago, the fallout was apocalyptic. Tsunamis washed away coastlines, raging fires engulfed forests and dust and debris...

The United States has suffered 23 billion-dollar disasters so far in 2023, a record for this point in the year that highlights the country’s struggle to adapt to the effects of climate...