Oct 5, 2018
Did you ever notice how the air can seem cooler when you enter a forest? Humans aren’t the only living things that sweat to cool off. When trees and plants “sweat,” they cool themselves andcan cool the surrounding air.Through a process called transpiration,water and nutrients are taken up by plant... Read More
Oct 2, 2018
In August 1984, President Ronald Reagan announced NASA’s plan to send “one of America’s finest—a teacher” to space aboard space shuttle Challenger. Of 11,000 aspirants for the adventure, 37-year-old high school teacher Christa McAuliffe from Concord, New Hampshire, was chosen. As the first teacher... Read More
Sep 26, 2018
Most people picture a glovebox as the small space on the passenger side of your car. But if you’re an astronaut floating 250 miles up, you might picture a large glass enclosure that allows you to conduct experiments that could change how we live both on and off Earth.
Sep 7, 2018
One of the key elements of Earth’s climate system is the cryosphere – the many forms of ice found on Earth. Two new NASA missions use different technologies to help scientists better understand how frozen water is affecting our planet. Both will continue satellite data records that have greatly... Read More
Sep 4, 2018
What's Up for September? Set your sights beyond the solar system, and take a late summertime road-trip along the Milky Way.
Aug 28, 2018
Michael Freilich, director of the Earth Science Division in the Science Mission Directorate, announced he will retire from the agency in February 2019.
Aug 27, 2018
Earth recently experienced its largest annual increases in atmospheric carbon dioxide levels in at least 2,000 years. Data from NASA’s Orbiting Carbon Observatory-2 (OCO-2), which launched in 2014, are helping scientists understand why.
Earth, Sun, ISS
Aug 16, 2018
The Sun. It inspires songs, warms us, and grows our food. Life on land and in the oceans, the daily weather, and long-term climate patterns happen primarily because of energy we receive from our closest star. Even tiny variations in that energy can affect the workings of our planet’s atmosphere.... Read More
Aug 13, 2018
Hours before the rise of the very star it will study, NASA’s Parker Solar Probe launched from Florida Sunday to begin its journey to the Sun, where it will undertake a landmark mission. The spacecraft will transmit its first science observations in December, beginning a revolution in our... Read More
Sky Watching, Meteor Showers
Aug 10, 2018
The fireworks show you watched in July most likely lasted 20 minutes. But in August, you can watch some celestial fireworks that will last hours and hours. This is the Perseid Meteor Shower. With a clear sky, observers will be able to see up to 60 meteors per hour at its peak.
Sun, Our Sun
Aug 8, 2018
People around the world look up and see our Sun every day. But through a space telescope, it looks nothing like it does from down on the ground. The surface dances with arches of solar material that reach up into the solar atmosphere – an environment of charged particles and magnetic fields unlike... Read More
Aug 1, 2018
Dark moonless nights for the summer Perseid Meteor Shower!
Jul 26, 2018
Go outside on a clear night, look up, and consider the following. Standing on Earth’s surface, we are part of the universe’s perpetual symphony of heavenly bodies rotating on their axes and revolving around one another in an intricate rhythm. As far as we know, we’re the only ones “listening” and... Read More
Jul 20, 2018
Oceans cover over 70% percent of Earth’s surface and profoundly influence our planet’s atmosphere, weather, and climate. However, uncovering the many secrets hidden beneath the ocean’s waves presents unique challenges for researchers, and requires specific technology to observe what humans can’t... Read More