New observations of the Venusian atmosphere collected from an airborne observatory showed no sign of the potential biosignature gas, casting additional doubt on a previous report of its detection.
NASA
Posted inResearch Spotlights
Europa’s Plate Tectonic Activity Is Unlike Earth’s
The moon of Jupiter has likely experienced intermittent, regional plate tectonic activity in the past, although the plates are currently dormant.
Posted inResearch Spotlights
Powerful Impact Provides Insight into Deep Structure of Mars
Seismic signals detected by the InSight lander show that the planet’s lower mantle may be less homogenous than previous models have suggested.
Posted inResearch Spotlights
Zipping Up Data to Zap It Back from an Icy Moon
NASA wants to send instruments to distant moons like Europa and Enceladus to search for life. But getting vital data back to Earth over limited bandwidth will take some impressive compression software.
Posted inResearch Spotlights
Optimizing Competing Instrument Needs with an Objective Metric
Intrinsic dimensionality can quantify the level of information obtainable for various possible instrument configurations.
Posted inScience Updates
A Time Capsule from the Early Solar System Is En Route to Earth
After an exciting encounter with asteroid Bennu, the OSIRIS-REx mission team looks forward to hitting pay dirt when a hefty sample of ancient planetesimal material is delivered to Earth next year.
Posted inNews
Moon’s Porosity Changes Cratering History, Study Says
Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.
Posted inResearch Spotlights
A Unified Atmospheric Model for Uranus and Neptune
In a new model, three substantial atmospheric layers appear consistent between the ice giants.
Posted inFeatures
Kimberley Miner: Preserving Earth’s Biodiversity and Integrity
From Antarctica to the Arctic, Miner’s career as a climate scientist has taken her to Earth’s frozen areas to study the effects of climate change.