Why your holiday flight is still not being powered by sustainable aviation fuel

Worries about investment and cost are stalling progress.

Salman Ahmad, Lecturer in Operations and Supply Chain Management, University of the West of Scotland • conversation
June 26, 2025 • ~6 min

Do photons wear out? An astrophysicist explains light’s ability to travel vast cosmic distances without losing energy

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on its journey toward Earth?

Jarred Roberts, Project Scientist, University of California, San Diego • conversation
May 20, 2025 • ~6 min

Mission possible − parastronaut programs can make space travel more inclusive and attainable for all

Figuring out how to make spacecraft more accessible to astronauts with physical disabilities can also make them safer for long-duration missions.

Rebecca Rhoades, Researcher in Education, Health & Behavior, University of North Dakota • conversation
March 11, 2025 • ~7 min

The science behind airplane deicing – a mechanical engineer explains how chemistry and physics make flying a more uplifting experience

Waiting for your plane to get deiced may be annoying, but it’s an essential safety step in chilly conditions.

Andrew Sommers, Professor of Mechanical and Manufacturing Engineering, Miami University • conversation
Feb. 28, 2025 • ~10 min

Vacations offer longer-lasting benefits than previously thought

Didn't take all your vacation time this past year? You might want to change that if you want to improve your health and well-being.

Leigh Hataway U. Georgia • futurity
Jan. 28, 2025 • ~5 min

Expanding Heathrow is incompatible with net zero – here’s the evidence

The UK’s environmental commitments leave no room for extra runways.

Richard Sulley, Senior Research Fellow, Sustainability Policy, University of Sheffield • conversation
Jan. 23, 2025 • ~7 min

Bezos’ Blue Origin has successfully launched its New Glenn rocket to orbit − a feat 15 years in the making

Even without recovering New Glenn’s reusable booster, Blue Origin has joined the ranks of commercial companies with rockets able to launch into orbit.

Wendy Whitman Cobb, Professor of Strategy and Security Studies, Air University • conversation
Jan. 16, 2025 • ~8 min

Travelling in 2025? Here’s how to become a ‘regenerative’ tourist

Tourism can be a troubling issue for local people who feel ignored by the industry.

Veselina Stoyanova, Associate Professor in Strategy & International Management, University of Birmingham • conversation
Jan. 7, 2025 • ~5 min

NASA’s crew capsule had heat shield issues during Artemis I − an aerospace expert on these critical spacecraft components

It’s a good idea to make sure your spacecraft can take the heat that comes with reentering Earth’s atmosphere before you put people in it.

Marcos Fernandez Tous, Assistant Professor of Space Studies, University of North Dakota • conversation
Dec. 12, 2024 • ~8 min

Keeping astronauts healthy in space isn’t easy − new training programs will prepare students to perform medicine while thousands of miles away from Earth

Future space missions will fly farther and longer than ever before – which means crew members may need more involved medical care in space.

Arian Anderson, Emergency Medicine Physician, University of Colorado Anschutz Medical Campus • conversation
June 18, 2024 • ~8 min

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