Leonard David
Leonard David is an award-winning space journalist who has been reporting on space activities for more than 50 years. Currently writing as Space.com's Space Insider Columnist among his other projects, Leonard has authored numerous books on space exploration, Mars missions and more, with his latest being "Moon Rush: The New Space Race" published in 2019 by National Geographic. He also wrote "Mars: Our Future on the Red Planet" released in 2016 by National Geographic. Leonard has served as a correspondent for SpaceNews, Scientific American and Aerospace America for the AIAA. He has received many awards, including the first Ordway Award for Sustained Excellence in Spaceflight History in 2015 at the AAS Wernher von Braun Memorial Symposium. You can find out Leonard's latest project at his website and on Twitter.
Latest articles by Leonard David
This NASA probe has been revealing stunning moon views for 14 years. How long will it last?
By Leonard David published
Over the 14 years since its launch, the Lunar Reconnaissance Orbiter has produced images and data proven that have transformed our understanding of the moon. But how much longer can the orbiter last?
Mars rover Perseverance sets new record for making oxygen on Red Planet
By Leonard David published
Earlier this month, the MOXIE oxygen-making experiment on the Perseverance Mars rover achieved a major milestone.
Will Artemis astronauts look for life on the moon?
By Leonard David published
Astronauts on NASA's Artemis moon missions might look for signs of life in shadowed polar craters — life that could have traveled with people from Earth.
Can NASA's Artemis moon missions count on using lunar water ice?
By Leonard David published
While many missions aim to explore permanently shadowed regions on the moon for water ice, it must be asked how realistic it is to expect to find enough ice on the moon to support human habitation.
ChatGPT on Mars: How AI can help scientists study the Red Planet
By Leonard David published
While ChatGPT + AI is a powerful tool that can augment new discoveries, it can't yet replace the human-driven process of synthesizing new information to generate new insights into science.
Satellite megaconstellations are threatening astronomy. What can be done?
By Leonard David published
Astronomers are becoming increasingly concerned of being blinded by the light from an estimated 400,000 satellites planned for low Earth orbit in the coming years.
Mars ice deposits could pave the way for human exploration
By Leonard David published
Researchers are working to determine where and at what depths extractable ice exists on Mars. Such deposits could allow humanity to get a foothold on the Red Planet.
Mars on Earth: What months of simulated astronaut missions taught this scientist
By Leonard David published
Meet Anastasia Stepanova, a PhD student in space resources and a veteran of multiple missions here on Earth that simulate the conditions human crews would experience spaceflight.
NASA sets sights on a next-generation Mars helicopter to return Red Planet samples
By Leonard David published
Work is now underway to shape a new Mars helicopter design following the groundbreaking flights of NASA's robotic Ingenuity rotorcraft.
The eyes have it! Scientists focus in on how microgravity changes astronaut vision
By Leonard David published
Scientists and space agencies are working to develop ways to mitigate the microgravity-induced changes to the human eye that astronauts experience while in space.
The big reveal: What's ahead in returning samples from Mars?
By Leonard David published
The Mars Sample Return mission is an ambitious endeavor that could see Martian geological specimens returned to Earth to search for signs of life on the Red Planet.
Mystery object shot down over Yukon may have been harmless 'pico balloon'
By Leonard David published
The object blasted out of the sky over the Yukon on Feb. 11 may have been an amateur radio pico balloon — specifically, a 33-inch-wide one called K9YO-15.
What are these mystery objects that US fighter jets keep shooting down?
By Leonard David published
What do these sky-high visitations mean, if anything, to the UFO/UAP community? Are there any lessons to be learned from these incidents?
New UFO docuseries seeks to shed light on flying saucer folklore
By Leonard David published
A new National Geographic docuseries by investigative journalist Leslie Kean aims to shed light on the modern UFO phenomenon.
How fallen space junk could aid the fight against orbital debris
By Leonard David published
Analysis of space junk that has fallen to Earth could help researchers design rockets and spacecraft that break up more completely during the reentry process.
Unidentified aerial annoyance: Full disclosure or dubious UFO nonsense?
By Leonard David published
The coming year will surely see a persistence of debate, discussion and disbelief regarding unidentified anomalous phenomena.
Tim Dodd, the 'Everyday Astronaut,' gets down to Earth about SpaceX moon trip
By Leonard David published
Space.com caught up with Tim Dodd in an exclusive interview to discuss his 'Everyday Astronaut' status and how he's preparing himself for his citizen voyage to the moon and back.
Space mining startups see a rich future on asteroids and the moon
By Leonard David published
Space mining has matured to the point where there are dozens of startup companies planning to begin harvesting valuable resources from space.
Solar-sailing probes may soon get their moment in the sun
By Leonard David published
Solar sailing can be a relatively slow-motion affair, but progress in the nascent field is quickly gaining steam.
China's last launch of 2022 sparks falling rocket debris warning from Philippine Space Agency
By Leonard David published
China's last space launch of 2022, which lifted off on Thursday (Dec. 29), has prompted a warning of falling rocket debris from the Philippine Space Agency.
Nuclear fusion breakthrough: What does it mean for space exploration?
By Leonard David published
Nuclear fusion has broad implications, fueling hopes of clean, limitless energy and the long-held dream of future rockets that are driven by nuclear propulsion.
China may enlarge its Tiangong space station
By Leonard David published
China may end up enlarging its Tiangong space station and perhaps use it to evaluate technologies needed for possible human exploration of the moon.
NASA drawing on Apollo to design Artemis moonwalkers' tools
By Leonard David published
NASA has built a new rocket and spacecraft to get Artemis astronauts to the moon, and it's developing a new toolkit for them to use on the lunar surface as well.
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