Farewell to a Pioneering Pollution Sensor

TES collected spectral

Farewell to TES, the first instrument to monitor tropospheric ozone from space.



A Piece of Mars is Going Home

Rohit Bhartia of NASA's Mars 2020 mission holds a slice of a meteorite

When it launches in 2020, NASA's next Mars rover will carry a chunk of Martian meteorite on board.



New Study Finds Sea Level Rise Accelerating

Global sea level rise

The rate of global sea level rise has been accelerating in recent decades, rather than increasing steadily, according to a new study based on 25 years of NASA and European satellite data.



Mars Reconnaissance Orbiter Preparing for Years Ahead

Artist concept of Mars Reconnaissance Orbiter. Image credit: NASA/JPL

NASA's Mars Reconnaissance Orbiter (MRO) has begun extra stargazing to help the space agency accomplish advances in Mars exploration over the next decade.



Tiny Crystal Shapes Get Close Look From Mars Rover



Star-shaped and swallowtail-shaped tiny, dark bumps in fine-layered bright bedrock of a Martian ridge are drawing close inspection by NASA's Curiosity Mars rover.



3-D Printable Tools May Help Study Astronaut Health

Matthias Maurer of ESA inserts samples into the MinION DNA sequencer

New technology could cut months off the time it takes to study molecular biology on the International Space Station.



NASA Tests Atomic Clock for Deep Space Navigation

Artist's illustration of the Deep Space Atomic Clock

JPL project could help spacecraft keep time more efficiently.



Two Small Asteroids Safely Pass Earth This Week

Asteroid 2018 CB will pass closely by Earth on Friday, Feb. 9

Two small recently discovered asteroids are safely passing by Earth within one lunar distance this week.



New Clues to Compositions of TRAPPIST-1 Planets

This artist's concept shows what the TRAPPIST-1 planetary system may look like

The seven Earth-size planets of TRAPPIST-1 are all mostly made of rock, with some having the potential to hold more water than Earth, according to a new study.



New NASA Space Sensors to Address Key Earth Questions

A pair of CubeSats will probe a little-studied portion of the radiant energy emitted by the Arctic environment

NASA has selected two new research proposals to develop small, space-based instruments that will tackle fundamental questions about our home planet and its environment.