Graphical abstract — astro-ph.EP Photoionization by high-energy photons creates nonthermal electrons with a broad range of energies that heat and chemically transform the atmospheres of planets. The specifics of the
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Fact or fiction on the future of the space economy
In this week’s episode of Space Minds, host Mike Gruss is joined by Matthew Weinzierl, Professor and Senior Associate Dean for Faculty Development and Research at Harvard Business
What has Webb Taught Us About Rocky Exoplanets So Far?
The JWST has pushed the boundaries of exoplanet characterization. But one thing it hasn’t done yet is to determine if rocky exoplanets close to our Solar System can retain their
A Star is Dissolving its Baby Planet
Astronomers have found a young star bathing a planet in intense X-ray radiation, wearing it away at a rapid rate. The planet is Jupiter-sized and orbits its red dwarf star
Student Led Mission Designs Highlight The Challenges Of Engineering In Space
There are plenty of engineering challenges facing space exploration missions, most of which are specific to their missions objectives. However, there are some that are more universal, especially regarding electronics.
Possible Proplyd Disk Discovered In Rubin Observatory’s First-Look Image
The circumstellar disk candidate in optical (left) from the Rubin Observatory “First Look” image and in infrared (right) from the Spitzer IRAC Healpix survey. Both images are 40″ on a
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Step outside, under the vast cosmos that has inspired humanity for millennia, and let the Gaterda Telescope be your guide through the shimmering tapestry of stars and celestial wonders. Designed
From intelligence gathering to internet usage to navigation, satellites are used daily across the globe. However, their activity is causing serious issues. What is it? In February, a team of
7 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) In the summer 2025 issue of the NASA History Office’s News & Notes newsletter, examples of leadership and critical
Jeff Bezos’ Blue Origin will launch six people to suborbital space today (June 21), and you can watch the action live. The mission — known as NS-33, because it will
As different nations begin conducting operations on the lunar surface, humanity’s penchant for geopolitical struggles will likely be along for the ride. Tension between nations and/or corporations could grow. There
For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely
Marking the first public day of this year’s International Paris Air Show, the President of France Emmanuel Macron visited the Paris Space Hub. ESA Director General Josef Aschbacher and Director of
This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. April 2025 was a busy month for space. Pop icon
The world recently watched an argument unfold on X between Elon Musk and Donald Trump. It was a surreal exchange, featuring one of the richest men ever to have lived
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