Photos: Venus and the Pleiades meet

This week, Venus - the brightest planet and dazzling "evening star" - will pass the beautiful Pleiades star cluster, also known as the Seven Sisters. Look west after sunset! Venus and the Pleiades meet only every 8 years. Photos here.

Don’t miss Venus and the Pleiades! Their conjunction is April 3

The Venus-Pleiades conjunction is April 3. That's when Venus passes the Pleiades' brightest star, Alcyone. Any evening around then will be lovely!

More essential coronavirus links March 24-April 2

A roundup of information from physicians, scientists and journalists about the COVID-19 pandemic.

How to model a pandemic

Behind every government announcement, there is an army of epidemiologists predicting how the virus will spread, and how to beat it. Note that this story doesn't deal specifically with the University of Washington models released April 5, projecting U.S. infections and deaths from COVID-19 in the coming months. But it does provide insights into how scientists create models.

What is dark energy?

Dark energy is one of the great unsolved mysteries of cosmology. It's now thought to make up 68% of everything in the universe.

International team discovers 3 new species of flying reptiles

The new fossil discoveries provide clues about flying, spike-toothed reptiles that lived in the Sahara 100 million years ago.

Was this the ancestor of all animals?

Geologists say the worm-like creature - about the size of a grain of rice - is the 1st ancestor on the family tree that contains most animals today, including humans.

Moon in Winter Circle March 30 and 31

What a great time to identify many bright stars! Let the moon be your guide.

Astronomers announce 100 new minor planets beyond Neptune

They're called trans-Neptunian objects, or TNOs. Astronomers analyzed data from the Dark Energy Survey - which just completed 6 years of observations - to find over 100 new little worlds in the cold outer reaches of our solar system.

Moon and Venus March 28 and 29

On March 28 and 29 - and even some evenings after that - see the waxing crescent moon and the planet Venus in the evening sky. They're beautiful! And you can use them to find the constellation Taurus the Bull.