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For Earth Day 2021 (April 22), NASA highlights science and technology that is helping us live more sustainably on our home planet and adapt to natural and human-caused changes. Here's how to participate.
April 22 is the date of Earth Day in part because of Arbor Day, an earlier observance. The focus for 2024 is "Planet vs. Plastics."
In 2024, Easter falls on March 31. It falls on the first Sunday after the first full moon after the March equinox. More about the date of Easter, here.
Space junk jettisoned from the International Space Station in 2021 hit Earth on March 8, 2024. The space junk likely reentered over the Pacific Ocean.
NASA scientists used the Goldstone Solar System Radar in California to take images of asteroid 2008 OS7 as it passed by Earth on February 2, 2024.
This Valentine’s Day, we find so much to love in the many heart shapes right here on Earth or all the way to the deepest reaches of the sky.
In December 2023, at the American Geophysical Union meeting in San Francisco, scientists discussed a rare "disappearance" of the solar wind at the planet Mars.
No matter where you are on the globe, we all see the same moon phase. So why do photos from a distant location sometimes look different from what you're seeing?
Giant Jupiter is closest to Earth for 2023 on November 1-2. Then Earth will fly between the sun and Jupiter - bringing Jupiter to opposition - on November 2-3.
The international Cloud Appreciation Day is September 15, 2023. Learn how to participate here and see a gallery of beautiful clouds.
Labor Day is a federal US holiday that falls on the first Monday in September and is considered the unofficial end of summer.
The Ring of Fire is home to the majority of Earth's volcanoes and earthquakes. This region rings the Pacific Ocean where tectonic plates interact.
How does Earth look from space? You could see it from Neptune, but it's brighter from closer locations. Spacecraft photos tell the tale.
Tomorrow is World Population Day, organized by the UN and observed on July 11 every year. This year's theme is "Unleashing the power of gender equality."
Learn why on Earth a day is 24 hours long, how it used to be closer to 20 hours long, and how a warming atmosphere might extend the length of a day.
Love astronomy, but don't like to stay up late? Here are the top 10 space objects you can see - under the right conditions - during the day.
Earth farthest from sun ... aka aphelion! It is happening today. That's despite the fact that it's summer now in the Northern Hemisphere.
NASA answers questions about space weather, from what does it do to Earth and how is it monitored to how can we prepare for a solar storm.
A museum is offering a $25,000 reward for a piece of a meteorite that fell on April 8, 2023 on the US-Canada border.
The most distant spacecraft from Earth is Voyager 1. Launched in 1977, Voyager 1 is a few billion miles farther from Earth than its sibling, Voyager 2.