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Happy Earth Day 2021!
Earth, Citizen Science
Apr 22, 2021
Citizen science is a great way to study our beautiful planet. We are #ConnectedByEarth. Astronauts onboard the International Space Station mention the importance of citizen science to studying Earth’s climate.  
Still screen of video of 5 astronauts on the International Space Station
Earth Day 2021 Poster
Earth, Citizen Science
Apr 22, 2021
From big to small, we’re all connected. This year’s Earth Day poster was inspired by the beauty and importance of the honey bee. Contributions by Citizen Scientists have helped beekeepers make more informed decisions.   Download the poster, virtual background and desktop or mobile wallpaper.
Earth Day Poster 2021
Earth
Apr 22, 2021
From big to small, we’re all connected. This year’s Earth Day poster was inspired by the beauty and importance of the honey bee. Contributions by Citizen Scientists have helped beekeepers make more informed decisions.
Earth Day 2021 poster: close up illustration of blades of grass, bees, a snail and flowers
NASA’s Perseverance Mars Rover Extracts First Oxygen from Red Planet
Solar System
Apr 21, 2021
The growing list of “firsts” for Perseverance, NASA’s newest six-wheeled robot on the Martian surface, includes converting some of the Red Planet’s thin, carbon dioxide-rich atmosphere into oxygen.
NASA to Participate in Tabletop Exercise Simulating Asteroid Impact
Solar System
Apr 21, 2021
During the week of April 26, members of NASA’s Planetary Defense Coordination Office (PDCO) will participate in a “tabletop exercise” to simulate an asteroid impact scenario.
Astronomers Release New All-Sky Map of Milky Way’s Outer Reaches
Universe
Apr 21, 2021
The highlight of the new chart is a wake of stars, stirred up by a small galaxy set to collide with the Milky Way. The map could also offer a new test of dark matter theories.
NASA's Webb to Study Young Exoplanets on the Edge
Universe
Apr 21, 2021
Seeing distant exoplanets isn’t easy and trying to detect them is like straining to see a firefly next to a lighthouse. That’s why astronomers have identified most of the more than 4,000 exoplanets found so far using indirect techniques
Earth’s cryosphere is vital for everyone. Here’s how NASA keeps track of its changes.
Earth
Apr 20, 2021
Everything in our planet — the land, the water, the air, us — is intertwined by the various chemical, physical, and biological processes that make up the huge system we call planet Earth. One of the key components of that system is the cryosphere, or all of Earth’s frozen water.
Downstream Consequences: How NASA Satellites Track Harmful Algal Blooms
Earth
Apr 20, 2021
Fertilizers used in farming contain high amounts of nutrients, such as phosphorous, to help crops grow. But these same nutrients can cause unwanted plant growth and potentially harm ecosystems miles away if agricultural runoff flows into nearby rivers, lakes, or coastal waters.
Solar Sail Propulsion: Enabling New Destinations for Science Missions
Apr 20, 2021
PROJECT Solar Cruiser technology demonstration mission SNAPSHOT To enable missions to reach novel and otherwise difficult or impossible destinations for observing the Sun, NASA is developing the 1653 m2 Solar Cruiser solar sail system for flight demonstration in 2025.
First Video of NASA’s Ingenuity Mars Helicopter in Flight
Solar System, Mars
Apr 20, 2021
In this video captured by NASA’s Perseverance rover, the agency's Ingenuity Mars Helicopter took the first powered, controlled flight on another planet on April 19, 2021. The rover was parked at “Van Zyl Overlook,” about 211 feet (64.3 meters) away in Mars' Jezero Crater and chronicled the flight... Read More
Photo of surface of Mars
Earth Day Connections: NASA Investigates Vegetation
Earth
Apr 19, 2021
From the vantage point of space, NASA’s fleet of Earth-observing satellites investigates connections between ecosystems that are continents apart, or right next door.
Hide and Seek – How NASA’s Lucy Mission Team Discovered Eurybates' Satellite
Solar System
Apr 19, 2021
On Jan. 9, 2020, NASA’s Lucy mission officially announced that it would be visiting not seven, but eight asteroids. As it turns out, Eurybates, one of the asteroids along Lucy’s path, has a small satellite – officially named Queta.
Saharan Dust Forecasts Minimize Health Risks in the Caribbean
Earth
Apr 19, 2021
Saharan Dust Forecasts Minimize Health Risks in the Caribbean