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Ancient Mars was Planet of Rivers, Planetary Scientists Say

By News Staff October 25, 2023

Ancient river deposits exist across Mars and can be identified in satellite data by erosional landforms called fluvial ridges. Fluvial ridges take the shape of ancient river deposits, and are…

Moon is Nearly 40 Million Years Older than Previously Thought

By News Staff October 24, 2023

By analyzing tiny lunar zircon crystals gathered by Apollo 17 astronauts in 1972, planetary scientists recalculated the age of the Moon. Although previous assessments estimated the Moon as 4.425 billion…

InSight’s Largest Marsquake Was Likely Caused by Geological Processes, Study Says

By News Staff October 18, 2023

During its time on Mars, NASA’s InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) lander recorded over 1,300 seismic events, known as marsquakes. Of these, a number were…

Planetary Researchers Probe Origin of Complex Organics on Ceres

By News Staff October 17, 2023

How aliphatic organic compounds originated on the dwarf planet Ceres has been the subject of intensive research since their discovery by NASA’s Dawn mission in 2017. Some studies have concluded…

Comet Airburst Initiated Transition to Agriculture 12,800 Years Ago, Scientists Say

By News Staff October 16, 2023

Around 12,800 years ago, Earth collided with fragments of a disintegrating comet, triggering Younger Dryas climate change; this event created environmental conditions at Abu Hureyra, Syria, that favored the earliest…

Anthropologists Reconstruct Face of Homo heidelbergensis

By Sergio Prostak October 13, 2023

Anthropologists in Greece have used facial reconstruction techniques to show how Homo heidelbergensis, a poorly understood relative of Neanderthals that lived between 700,000 to 200,000 years ago, might have once…

Sample Material from Asteroid Bennu Contains Carbon and Water, NASA Scientists Say

By News Staff October 11, 2023

The sample was collected by NASA’s OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification and Security, Regolith Explorer) spacecraft on October 20, 2020 and arrived on Earth on September 24, 2023. A…

Severe Space Weather Events Disrupt Nocturnal Bird Migrations, Researchers Find

By News Staff October 11, 2023

Earth’s magnetic field is occasionally but regularly impacted by bursts of energy from the Sun (space weather), such as coronal mass ejections. Birds and other animals depend on the geomagnetic…

Extreme Solar Storm Hit Our Planet 14,300 Years Ago, Subfossil Tree-Rings Show

By News Staff October 9, 2023

In new research, scientists from the University of Leeds and elsewhere measured radiocarbon levels in ancient trees preserved within the eroded banks of the Drouzet River in the Southern French…

New Technology Transforms Traditionally Unrecyclable Plastics Into Useful Chemicals

By Oak Ridge National Laboratory October 4, 2023

Valuable chemicals are selectively produced from mixed plastic waste by an ORNL-developed plastic deconstruction process. Credit: Tomonori Saito, Md Arifuzzaman and Adam Malin, ORNL/U.S. Dept. of EnergyMixed plastics can be…

Astronomers Propose New Definition of Planet

Cassini Reveals Surface Properties of Titan’s Hydrocarbon Seas

Ancient Mars was Cool and Relatively Wet, New Study Suggests

Scientists Revise Famous Drake Equation

Mars is Bombarded by Meteoroids At More Frequent Rates than Previously Thought

Juno Spots ‘Hot Rings’ on Jupiter’s Volcanic Moon Io

Study: Active, Seafloor Hydrothermal Systems on Small Ocean Worlds Could Support Life

Coastlines of Titan’s Largest Lakes and Seas Were Eroded by Wave Activity: Study

NASA Returns Voyager 1 Spacecraft to Normal Science Operations

Water Frost Deposits Spotted on Tropical Martian Volcanoes

Astronomers Propose New Definition of Planet

Cassini Reveals Surface Properties of Titan’s Hydrocarbon Seas

Ancient Mars was Planet of Rivers, Planetary Scientists Say

Moon is Nearly 40 Million Years Older than Previously Thought

InSight’s Largest Marsquake Was Likely Caused by Geological Processes, Study Says

Planetary Researchers Probe Origin of Complex Organics on Ceres

Comet Airburst Initiated Transition to Agriculture 12,800 Years Ago, Scientists Say

Anthropologists Reconstruct Face of Homo heidelbergensis

Sample Material from Asteroid Bennu Contains Carbon and Water, NASA Scientists Say

Severe Space Weather Events Disrupt Nocturnal Bird Migrations, Researchers Find

Extreme Solar Storm Hit Our Planet 14,300 Years Ago, Subfossil Tree-Rings Show

New Technology Transforms Traditionally Unrecyclable Plastics Into Useful Chemicals

Astronomers Propose New Definition of Planet

Cassini Reveals Surface Properties of Titan’s Hydrocarbon Seas