Viking on tour

By Jon Kelvey April 24, 2025

Exoplanet hunter

By Jon Kelvey April 2, 2025

Will geostationary satellites one day become obsolete given the proliferation of satellites in low-Earth orbit?

By Jon Kelvey February 1, 2025

Why Europa?

By Jon Kelvey September 1, 2024

4 reasons to root for quantum computing

By Jon Kelvey July 1, 2024

Competing visions

By Jon Kelvey April 1, 2024

Understanding the misunderstood Kessler Syndrome

By Jon Kelvey March 1, 2024

NASA faces its Mars conundrum

By Jon Kelvey January 1, 2024

Mastering space traffic management

By Jon Kelvey November 1, 2023

The elusive fully autonomous airliner

By Jon Kelvey October 1, 2023

Tracking pilots’ eyes

By Jon Kelvey September 1, 2023

Live from the moon in HD

By Jon Kelvey July 1, 2023

This hot tech needs to be kept cool

By Jon Kelvey April 1, 2023

The harshest reality

By Jon Kelvey April 1, 2023

What can be said for certain about China’s intent with the balloon?

By Jon Kelvey February 8, 2023

NASA and DARPA are cautioned against overselling the performance of their nuclear rocket tech

By Jon Kelvey February 1, 2023

The comet conundrum

By Jon Kelvey February 1, 2023

NASA, DARPA join forces to create and test nuclear rocket for Mars journey

By Jon Kelvey January 24, 2023

Nuclear rocket redux

By Jon Kelvey January 3, 2023

U.S. Space Force wants ideas for powering satellites with fission

By Jon Kelvey November 1, 2022

The choice

By Jon Kelvey September 30, 2022

Fill ’er up

By Jon Kelvey September 1, 2022

Why NOAA wants its sounders

By Jon Kelvey June 1, 2022