Astronauts captured this unusual view of a Perseid meteor descending into Earth's atmosphere in August 2011.
Published Aug 17, 2011
City lights sprawl across Earth’s surface below a constant glow in the upper atmosphere.
Published Oct 23, 2018
A geomagnetic storm in early October lit up the skies with northern lights that were detected by an Earth-observing satellite.
Published Oct 10, 2012
The Suomi NPP satellite captured a glimpse of the northern lights over North America.
Published Apr 24, 2018
Over 20 years, more than 550 small asteroids streaked across our skies.
Published Nov 21, 2014
Solar storms smacked into Earth’s magnetic field and provoked auroras over the southern and northern hemisphere just after the summer solstice.
Published Jun 28, 2015
An astronaut caught a glimpse of the aurora australis while looking out across the Indian Ocean.
Published Jul 2, 2017
Researchers probed the auroral wind by shooting instruments into them in February 2013.
Published Feb 9, 2013
Satellites are shedding new light on the invisible processes and rhythms at play at the intersection between Earth and space.
Published Dec 26, 2019
Sounding rockets probe the way auroras and solar activity affect the atmosphere.
Published Feb 3, 2015
Throughout their histories, both the Moon and Earth have been bombarded by meteorites and asteroids, which often leave behind dramatic impact craters.
Published Aug 13, 2009
At the boundary between Earth and space, particles and gases and energy do an intricate and colorful dance that varies daily.
Published Jan 7, 2020
Atmospheric gases scatter blue wavelengths of visible light more than other wavelengths, giving the Earth’s visible edge a blue halo. At higher and higher altitudes, the atmosphere becomes so thin that it essentially ceases to exist. Gradually, the atmospheric halo fades into the blackness of space. This astronaut photograph captured on July 20, 2006, shows a nearly translucent moon emerging from behind the halo.
Published Feb 2, 2007
A strong solar wind stream stirred up a display of northern lights over northern Canada.
Published Dec 25, 2016
Twenty years ago this month, astronauts on the space shuttle Discovery used the spacecraft's robotic arm to launch the Upper Atmosphere Research Satellite into orbit around the Earth.
Published Sep 24, 2011
