How satellites harm astronomy: what’s being done

Satellites harm astronomy in different ways, marring optical and infrared images and interfering with radio astronomy. Learn what can be done.

Dino-killing asteroid caused global tsunami

The dino-killing asteroid of 66 million years ago created a global tsunami, with some 30,000 times the energy of the 2004 Indian Ocean tsunami.

Weather whiplash more frequent in warming world?

Weather whiplash events are when conditions shift abruptly between extreme weather. Scientists say this will become more common as the Arctic warms.

Hurricane Ian devastates Florida’s Gulf Coast

Hurricane Ian made landfall at Coya Costa, Florida, on the afternoon of September 28, 2022. Learn more about the storm, its intensity, and its destruction.

Hurricane storm surge: what is it?

Of all the hazards that hurricanes bring, a hurricane storm surge is the greatest threat to life and property along the coast. Learn more here.

Who chooses hurricane names? Plus the 2022 list

The World Meteorological Organization chooses hurricane names several years in advance. Here is the list of hurricane names for 2022.

Effects of nuclear war on Earth today: ‘Not winnable’

A nuclear war isn't winnable, says a recent study. It would lead to a new ice age, killing algae at the base of the ocean food chain and blocking shipping ports with ice.

Northern autumn ahead. Here’s your equinox sky

Northern autumn arrives on September 22 or 23, 2022, with the equinox. The time and date depend on precisely where you live. Find out more here.

Abandoned ant hill excavation reveals a city

Watch an abandoned ant hill excavation by scientists! In this video, scientists pump concrete into an empty ant colony so you can see the intricate structure.

Voyager 1: 1st portrait of Earth and moon 45 years ago today

On September 18, 1977, as it headed toward the outer solar system, Voyager 1 looked back and acquired a stunning image of our Earth and moon.