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Researchers install a new quantum squeezing device into one of LIGO’s gravitational wave detectors.

NASA's Parker Solar Probe observed a slow solar wind flowing out from the small coronal hole – the long, thin black spot seen on the left side of the Sun in this image captured by NASA's Solar Dynamics Observatory – on October 27, 2018. While scientists have long known that fast solar wind streams flow from coronal holes near the poles, they have not yet conclusively identified the source of the Sun's slow solar wind.

Global sea-surface salinity 2012 and 2017

This artist’s impression shows a rocky exoplanet with a wispy, cloudy atmosphere orbiting a red dwarf star. Astronomers have identified a new method that could allow Webb to detect an exoplanet’s atmosphere in just a few hours of observing time.

Hubble Detects Dynamic Galactic Duo

SMOS in orbit.

Researchers used the space-based CALIPSO lidar to measure the planet’s largest animal migration, which takes place when small sea creatures swim up from the depths at night to feed on phytoplankton, then back down again just before sunrise.

Five new NASA field research campaigns investigating a number of phenomena across the United States get underway this year.

The spiral galaxy NGC 4631 is seen edge-on, with its disk of stars shown in pink. The observed magnetic field pattern is displayed by the hair-like structure in green and blue. It extends beyond the disk into the galaxy's extended halo. Green indicates magnetic fields pointing roughly toward us and blue fields pointing away from us. This phenomenon, with the field alternating in direction, has never before been seen in the halo of a galaxy.

The dwarf galaxy Sculptor, above, is a companion to the Milky Way galaxy. Astronomers will use Webb to study the motions of stars in Sculptor and Draco, another dwarf companion to the Milky Way. By studying how the stars move, the researchers will be able to determine how the dark matter is distributed in these galaxies.