Salty snow throws off satellite-based estimates of Arctic sea ice thickness by up to 25%. A new method seeks to fix that.
ESA
More Discoveries in the Cards from Defunct Comet Mission
A year after the end of the Rosetta mission, the real scientific fun begins.
Cassini’s Legacy in Print
With over 750 papers published in AGU journals based on Cassini-Huygens mission data, three editors select some of the most noteworthy.
Schiaparelli Lander Likely Crash-Landed on Mars
After its thrusters shut off prematurely, the European Space Agency's newest lander probably crash-landed from 2–4 kilometers above the surface.
Rosetta Spacecraft Death-Dives into Comet Companion—On Purpose
On the way to its demise, the probe intimately viewed a dust-spewing pit and measured close up the gravity field, temperature, and other features of the comet.
Rapidly Activated Satellite Completes A European Constellation
Sentinel-1B will move to a new orbit on the other side of our planet from its sister spacecraft Sentinel-1A.
Comet Lander Makes a Hard Discovery
The Philae probe, dropped onto a comet by the Rosetta spacecraft, has made contact with a surface thought too hard to be on a comet and has detected a few organic molecules new to comet exploration.
Philae Scientists Make Plans for Revived Mission
With their robotic explorer awake again, Philae's handlers get ready to give Comet 67P-Churyumov-Gerasimenko renewed scrutiny and to get a better bead on where the lander clings to the spinning orb of rock and ice.
Communicating Uncertainties in Sea Surface Temperature
Sea Surface Temperature User Workshop on Uncertainties; Exeter, UK, 18–20 November 2014
Sentinel Satellites Initiate New Era in Earth Observation
The European Space Agency’s Josef Aschbacher talks with Eos about the new Sentinel fleet of Earth observing satellites.