(40) results in Blog

February 9, 2017

From Our Archives: Celebrating African Americans in STEM – Katherine Johnson

To celebrate National African American History Month, we applaud Katherine G. Johnson, a living legend in the fields of math, physics, and space science. A lifelong love affair with numbers brought Johnson from a small town...

December 21, 2016

Hazards of Mars exploration demand top-notch wilderness medicine capabilities

If you’re considering becoming an early Mars colonist, the National Geographic Channel’s new TV series MARS is a must to watch. That’s partly because it shows you that settlers will not inhabit lavish domes on the...

December 9, 2016

John Glenn 1921-2016: NASA astronaut, US Senator, medical guinea pig, all around cool person

2016 saw public criticism that candidates pushing their early 70s would be too old to serve as US President, but 18 years ago a man took on the grueling physical stress of space flight at the age...

July 25, 2016

Astronomers discover a planet surviving in a strange system with three suns

At just four times’ the mass of Jupiter and a mere 580°C—hot enough to melt lead—a recently-discovered exoplanet is one of the smallest and coldest planets found outside our solar system. But what makes it really...

Visionlearning logo

July 4, 2016

New Visionlearning Design Launched

We’re excited to announce the launch of a redesigned Visionlearning site. It has a fresh look, but with the same excellent content for teaching and learning science. One new feature you’ll see on the site are...

June 12, 2016

Searching for Life on Other Worlds: Overview of Missions

Astrobiology is a cherished topic in the science news. Many people love considering questions of what extraterrestrial life might be like, what it might have in common with Earth life, and how it might be different....

May 2, 2016

Europa and Enceladus: Searching for Life on Icy Moons

We hear a lot about the prospect of microorganisms existing on Mars and probes of increasing complexity that will be going there in the years to come, but the life search will also examine the outer...

March 28, 2016

The moon’s wandering pole

If you’re an avid watcher of the night sky — or a Pink Floyd fan — you probably know that we Earthlings always see the same side of the moon. We always see the bright side,...

February 20, 2016

The ancient Babylonians calculated Jupiter’s position long before NASA

To the ancient Babylonians, the planet Jupiter was more than a bright light in the Mesopotamian night sky: It was the celestial manifestation of their god, Marduk. Jupiter’s location told of Marduk’s plans for them, such...

October 19, 2015

Water, Water, Everywhere

We’ve long known that water was present in the atmosphere of Venus and that frozen water is trapped in the polar ice caps visible on Mars. However, it seems that there have been a slew of...