The Curious Case of the Brown Dwarfs at 14 Herculis

The Curious Case of the Brown Dwarfs at 14 Herculis

A dynamical analysis of the 14 Herculis system has revealed the existence of two brown dwarf planets orbiting in completely misaligned, eccentric orbits. Plus, weird ice in Chicago, the ongoing debate about liquid water on Mars, one rocket goes up while a capsule comes down, and we interview Dr. Knicole Colon from the JWST mission.

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Carbon Molecules on Mars Open New Mystery

Carbon Molecules on Mars Open New Mystery

NASA’s Curiosity rover has discovered carbon isotopes on Mars which are usually caused by the degradation of biological methane, leading scientists to examine other potential reasons for the molecules. Plus, more Starlink satellites, their impact on observing, and This Week in Rocket History.

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Massive Thwaites Glacier in Antarctica at Risk of Collapse

Massive Thwaites Glacier in Antarctica at Risk of Collapse

A team of scientists collected cores and modeled ice cliff failure and found that Thwaites Glacier in Antarctica is melting more quickly than ever and could be at risk of collapse, threatening global coastlines with almost a meter of sea-level rise. Plus, new results from Percy, and this week’s What’s Up.

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Perseverance Images Confirm Jezero Crater as Ancient Lake

Perseverance Images Confirm Jezero Crater as Ancient Lake

A newly completed analysis of Perseverance’s first images from Mars finds that the landing site, Jezero Crater, was really a lake that was fed by a river, with sedimentary layers, flash floods, and strewn boulders. Plus, Central African biomass burning, Arctic permafrost melting, and we look at jewelry that celebrates upcoming missions.