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How likely is an Earth-like origin of life elsewhere?
Retired astrophysicist Daniel Whitmire says that an Earth-like origin of life (abiogenesis) is probably very likely on other rocky worlds similar to our own.
October 10, 2022
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.
October 6, 2022
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.
October 5, 2022
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.
September 29, 2022
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.
September 29, 2022
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.
September 28, 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.
September 21, 2022
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.
September 20, 2022
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.
September 20, 2022
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.
September 18, 2022
