A backlit Saturn from the Cassini Orbiter, 2007

Cassini’s First Years at Saturn

For many years, the Cassini probe to Saturn provided a stable research platform that scientists used to transform our understanding of the ringed planet.
An image of Enceladus assembled using infrared, green, ultraviolet, and clear filtered images taken by Cassini on July 14, 2005

Saturn’s Ocean Moon Enceladus Is Able to Support Life

This research team is working out how to detect extraterrestrial cells in the liquid water ocean hidden beneath Enceladus’s icy crust.
The OmegaCAM imager on ESO’s VLT Survey Telescope has captured this glittering view of the stellar nursery called Sharpless 29. Many astronomical phenomena can be seen in this giant image, including cosmic dust and gas clouds that reflect, absorb, and re-emit the light of hot young stars within the nebula.

How the Universe Forges Stars from Cosmic Clouds

A deep dive into the chaotic journey of star formation.
Medicago sativa

Alfalfa: A Crop that Feeds Our Food

In 2023, American farmers grew more than 9 million acres of alfalfa. What makes this legume hay so special?
The rugged coast of the Isles of Scilly, England, U.K.

Life in the Islands of the Dead

Though part of the mainland county of Cornwall, the Scilly Islands offer visitors an encounter with history and the environment like no other.
Andromeda Galaxy

100 Years after the “Great Debate”: How Edwin Hubble Expanded the Cosmos

In 1924, Edwin Hubble found proof that the Milky Way isn't the only galaxy in the Universe.
Woman pushing shopping trolley on red background, smiling, portrait

Free Wheeling: Shopping Carts and Culture

The invention of the shopping cart changed our purchasing patterns, but the way we use it also reflects how we live life on the streets.
The view south from Viking 2, one of two probes sent to investigate the surface of the planet Mars for the first time, September 6, 1976

We Might Have Accidentally Killed the Only Life We Ever Found on Mars Nearly 50 Years Ago

In one experiment, the Viking landers added water to Martian soil samples. That might have been a very bad idea.

How Rocks and Minerals Play with Light to Produce Breathtaking Colors

Rocks and minerals don’t simply reflect light. They play with it and interact with light as both a wave and a particle.
An illustration of Star Trek's USS Enterprise in warp drive

Is Star Trek’s Warp Drive Possible?

The concept of the warp drive is currently at odds with everything we know to be true about physics.