Latest Explorer program Stories
Once a hibernating craft drifting silently through space, NEOWISE was repurposed and reactivated last month with a new mission – find asteroids and other potentially hazardous near-Earth objects.
Marilia Samara and her science team will be looking for classic curls in the aurora in the night sky – curls that look like cream swirling in a cup of coffee. When they spot the appropriate conditions, the team will launch a sounding rocket for a 10-minute flight right into the heart of the aurora.
A pair of dazzling images from NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) highlights the observatory's impressive imaging capabilities for objects both near and far.
NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) has made its first discovery since coming out of hibernation last year: a never-before-seen asteroid dubbed 2013 YP139.
NEOWISE has returned to service, and has sent its first set of test images back to Earth in preparation for a renewed mission.
For WISE's fourth birthday, NASA has released an image of a dying star called the Helix nebula, surrounded by a halo of relatively close asteroids tracks.
NASA's newest solar observatory is showing the region located between the surface of the sun and its atmosphere is more violent than previously thought.
- A bereavement by loss of parents or children; the state of being orbate; orbation.