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Like Earth, space has weather. Except instead of swirling winds and downpours of precipitation, space weather is defined by shifting electric and... Read more

Mercury transiting the Sun, seen by SDO
Jan 18, 2018

Like the waistband of a couch potato in midlife, the orbits of planets in our solar system are expanding. It happens because the Sun’s gravitational grip gradually weakens as our star ages and loses... Read more

illustration of MMS spacecraft
Jan 12, 2018

MMS has been studying Earth's space environment for over two years, and in 2017 it made many discoveries changing how we understand the magnetic environment protecting our planet. ... Read more

Jan 9, 2018

Between January 15 - 31, 2018, scientists will launch four rockets to measure x-ray emissions from space and determine how large quantities of water could affect the upper atmosphere and form Polar... Read more

artist concept of ICON satellite
Jan 4, 2018

Two new NASA missions are teaming up to explore where Earth's atmosphere interfaces with space — a little-understood area that's close to home but historically hard to observe. ... Read more

This visualization shows the motion of one electron in the magnetic reconnection region.
Jan 3, 2018

New NASA research helps improve our understanding of how electrons move through the complex region around Earth — information that will help untangle how such particle acrobatics affect the planet... Read more

The lowest reaches of space glow with bright bands of color called airglow in this image
Jan 2, 2018

NASA will host a briefing at 1 p.m. EST Thursday, Jan. 4, about the agency’s upcoming science mission to explore where Earth’s atmosphere meets space. ... Read more

illustration of Kepler-186f, the first Earth-size planet discovered within a star’s habitable zone
Dec 13, 2017

Following a gold rush of exoplanet discovery, the next step in the search for life is determining which of the known exoplanets are proper candidates for life — and for this, a cross-disciplinary... Read more

image of solar eclipse
Dec 11, 2017

While people across North America took in the Aug. 21 eclipse, hundreds of citizen, student, and professional scientists were collecting scientific data, and their efforts are beginning to return... Read more

illustration of an Atlantic White-sided Dolphin and a Long-finned Pilot Whale
Dec 8, 2017

After a collaboration between NASA scientists and marine biologists, new research rules out space weather as a primary cause of animal beachings. ... Read more