A new seismic survey of the Chicxulub impact crater reveals the structure of its peak ring and the sediments that cover it.
planets
Posted inResearch Spotlights
The Stuff That Psyche Is Made Of
The metallic asteroid Psyche appears to contain more rock than previously thought, shedding new light on possible scenarios for its formation in the early solar system.
Posted inNews
Hunting for Planets Around Old, Anemic Stars
Can a star make planets with 10% of what the Sun had to work with? A synergy between two powerhouse survey telescopes is helping astronomers find that answer.
Posted inNews
Nearest Star System May Have a Second Planet
The exoplanet candidate, tentatively named Proxima c, would be a frozen snowball.
Posted inAGU News
Johnson Receives 2018 Ronald Greeley Early Career Award in Planetary Sciences
Brandon Johnson will receive the 2018 Ronald Greeley Early Career Award in Planetary Sciences at AGU’s Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award recognizes “significant early career contributions to planetary science.”
Posted inNews
Planetary Science Up, Earth Science Down in Proposed NASA Budget
The agency’s acting administrator says that the fiscal year 2018 White House budget request tells NASA to stay the course.
Posted inNews
Starlike Brown Dwarf? Not Anymore
Because of a new, surprisingly smaller mass estimate for a much-studied, nearby brown dwarf, astronomers now regard the familiar object as merely planetlike.
Posted inNews
A New Theory May Explain “Impossible” TRAPPIST-1 Planets
The proposed formation scenario relies on unconventional processes to account for a bevy of seven Earth-sized exoplanets recently found orbiting an unlikely star.
Posted inNews
Proposed NASA Budget: Earth Science Up, Planetary Science Down
A new line item for space transportation would support NASA partnerships with commercial spaceflight vendors and reduce dependence on Russia for transporting astronauts.
Posted inNews
Proposed Planet Nine Elicits Cheers, Yawns, Hunt for Proof
Evidence of a large, unseen planet at the solar system's margins prompted a flurry of scientific paper downloads, as well as oodles of skepticism. There's no sighting yet of the purported body.