Why Hypersonic Reentry Still Loses Contact at the Worst Moment
“Celestial navigation through the plasma sheath is a reliable way for reentry systems to navigate during GPS and radio blackout…
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Second Starlink Breakup Puts Orbital Debris Risks Back in Focus
But low Earth orbit (LEO) may not be so forgiving anymore. Just last month, it was revealed that a second…
Artemis II Can’t Land on the Moon for One Crucial Reason
What prevents a moon mission from turning into a moon landing? For the Space Launch System (SLS) and Orion spacecraft…
NASA’s Moon Crew Flight Puts Orion and SLS Under Pressure
A lunar crewed flight cannot simply be seen as going back to where America had been. The flight represents the…
NASA’s Psyche May Reveal a Lost Planetary Core
“We can’t get to the cores of Earth or Mars or Venus, but maybe we can get to the core…
Artemis II Earth Photos Show What Orion Must Do Next
Artemis II’s early Earth images matter because they are more than postcard views from deep space. Imagery collected by Orion…
How NASA Plans to Shield Artemis 2 Crew From Solar Radiation
In other words, the main threat facing the crew of Artemis 2 does not lie in any kind of danger…
How Backyard Telescopes Can Help Track Artemis 2 in Flight
When the Orion space capsule flies by the Moon on the Artemis 2 mission, it can temporarily turn into a…
NASA’s Moon Crew Launch Tests Orion Far Beyond Earth
I’m hoping that we just stay focused on the launch tomorrow, said NASA test director Jeff Spaulding. This quote captures…