Climate change is affecting American military operations and infrastructure—and could have security implications across the globe.

Damond Benningfield
Damond Benningfield is a freelance science writer and audio producer in Austin, Texas. Among other projects, he writes and produces StarDate, a daily radio program about astronomy and space exploration, and Science and the Sea, a weekly program about marine science. He has been involved with several other short-format radio programs. Benningfield, a native of Austin, also serves as executive editor of StarDate magazine. He has contributed to almost 50 magazines, newspapers, and websites, including Air & Space/Smithsonian, Smithsonian, and Astronomy. He has a bachelor of journalism degree from The University of Texas at Austin.
Making the Universe Blurrier
Climate change appears to be directly and indirectly affecting the view from at least one observatory while threatening the existence of others.
Flying Saucers Could One Day Probe the Mesosphere
Researchers have created thin, levitating disks that could be used to study the mesosphere, a layer of Earth’s atmosphere that’s difficult to reach with conventional flyers.
A Bad Time for Mars Time
Thanks to COVID-19, mission control for the Perseverance Mars rover will look emptier than previous missions, and fewer scientists and engineers will follow the rover’s schedule.
Seeing Stripes in the Atmosphere of a Brown Dwarf
A planet-hunting satellite’s observations of the nearby system Luhman 16 AB reveal bands of clouds, high-speed jets, and polar vortices.
A Better Understanding of How the Sun Bends Light
Incorporating the refractive index of the Sun into models of gravitational lensing effects improves agreement with measurements of the phenomenon.
Bringing Clarity to Magnetic Reconnection
A particle-level process appears to play a key role in planet-sized events throughout the universe.
Preparing for a Handoff
Scientists with Interstellar Probe, a proposed 50-year flight to interstellar space, are pondering how to plan and carry out a multigenerational mission.
Studying Earth’s Double Electrical Heartbeat
Charged by thunderstorms and other weather phenomena, the global electrical circuit connects the entire planet.
Resurrecting Interest in a “Dead” Planet
New research suggests that the surface of Venus is busy, but it may take new missions to our “sibling” planet to confirm this.