Scientists using NASA’s Mars-orbiting MAVEN spacecraft discovered a mysterious cloud of dust hundreds of miles above the planet’s surface -- and no explanation for how it got there.
New satellite data shows how Sahara dust in the wind makes it to the Amazon, ensuring its survival. Continue reading →
By watching how an exoplanet orbiting the star Beta Pictoris interacts with circumstellar dust, astronomers are beginning to understand how to look for the dusty fingerprints of hidden alien worlds. Continue reading →
Destroying forests and intensively farming the land erodes as much soil in a few decades as would naturally erode over thousands of years. Continue reading →
Mars' atmosphere is often viewed as frigid and unchanging, but in studies of the red planet's aeolian processes, nothing could be further from the truth -- particularly where Martian dust devils are concerned. Continue reading →
Hubble has completed a detailed survey of stars with dusty circumstellar disks -- but their stunning variety has been a surprise to astronomers.
The 1934 drought is the worst on record for North America in the past 1,000 years, and had similar conditions to the current California drought.
The likelihood that a South Pole-based telescope detected elusive gravitational waves earlier this year has just taken another nosedive. Continue reading →
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