November 13, 2020, will be the second of 2020's two Friday the 13ths. This Friday the 13th comes exactly 39 weeks - that is, the number 3 multiplied by the number 13 - before the next Friday the 13th on August 13, 2021. Whee!

The Clovis, some of North America’s earliest inhabitants, only made stone tools during a brief 300-year period from 13,050 to 12,750 years ago, new research shows.

If you encounter a date in the CE (Common Era) or BCE (Before Common Era) format, don't fret. They mean exactly the same thing as AD (anno Domini) and BC (before Christ).

On October 29, NASA re-established contact with its Voyager 2 spacecraft, after the probe was left flying solo for 7 months while repairs were made to the radio antenna in Australia used to control it.

Rather than completely disappear - even when vaccines become available- it's likely that the coronavirus SARS-CoV-2 will be added to the family of infectious diseases known as “endemic” in the human population.

Solar storms pose risks for society, but more accurate space weather forecasts appear to be coming soon. A team of researchers in Japan has developed a physics-based method for predicting large solar flares, including powerful and potentially dangerous X-flares.

Some of the most painful stings come from tarantula hawk wasps, warrior wasps, and bullet ants.

Geneticists around the world are studying 100,000 coronavirus genomes - sampled from Covid-19 patients in over 100 countries - to try to understand how the virus is mutating, What science has learned.

The International Space Station underwent an unscheduled reboost in orbit yesterday, to avoid a collision with an unknown piece of space junk. The 3-man crew was ordered to shelter, but is safe.

In Chinese thought, autumn is with the direction west, considered to be the direction of dreams and visions.