Bible story of Sodom revisited. Was it a meteor strike?

The Bible story of Sodom and Gomorrah describes ancient cities destroyed for their wickedness. New research suggests a meteor impact instead.

La Palma volcano lava headed to sea

The La Palma volcano has forced thousands to evaculate. Its lava is flowing through streets, filling swimming pools, headed to the sea.

U.S. and China: Cooperation or competition in space?

Between the U.S. and China: Will it be collaboration or competition that defines international space science and exploration in the 21st century?

What is time, and why does it move forward?

What is time, and why does it move forward? Cosmologist Thomas Kitching of University College London explains how the arrow of time points to the future.

Wildfire threatens a SETI telescope in California

Wildfire threatens a SETI telescope. The Allen Telescope Array in California was built specifically for SETI. Scientists and engineers evacuated.

Here are the 2022 Breakthrough Prize winners

2022 Breakthrough Prize winners made discoveries leading to Covid-19 vaccines, treatments for neurological diseases, and more precise quantum clocks.

September birthstone is the sapphire

Sapphire, the September birthstone, is typically blue, the color caused by small amounts of titanium and iron in the crystal structure.

Labor Day: History and traditions

Labor Day is a federal US holiday that falls on the first Monday in September and is considered the unofficial end of summer.

Reptiles as pets: dispelling the myths

Increasingly, people oppose owning reptiles as pets, believing they pose a danger to public health or are too cold to love. Why do reptiles get a bad rap?

Nuclear fusion ignition: Big laboratory breakthrough

Nuclear fusion ignition was triggered in a lab for the first time, and it could lead the way to clean energy and insights into the Big Bang.