Latest articles by Leonard David
The World Monuments Fund has added the moon to its watch list of 25 historic places that face major challenges and has called for preserving lunar heritage.
Astronauts placed six different American flags on the moon during the Apollo program. What became of those flags in the years since, and why were they controversial?
China's Chang'e 7 moon-landing mission will apparently include a flag that can flutter in the moon's thin and tenuous atmosphere.
The U.S. Space Force X-37B Orbital Test Vehicle (OTV-7) has silently slipped past one-year of flight time.
Sierra Space and NASA's Johnson Space Center are conducting simulations to prepare for the Dream Chaser space plane's first flight to the International Space Station.
An independent review team is delivering a final report to NASA leadership to determine if the agency's Mars Sample Return mission is salvageable after facing scrutiny for its $11 billion budget.
Kenya Space Agency officials report a large, “red-hot” metallic ring roughly 8 feet (2.5 meters) in diameter fell from the sky, crashing into Mukuku village.
What should happen in 2025 to move the UAP/UFO story forward? Are we at a dead-end? Conversely, is the coming year one of "full disclosure?"
Recent sightings of unidentified aircraft in New Jersey and other states have triggered another round of unanswered questions — and fueled conspiracy theories.
NASA has begun blueprinting the Endurance rover to traverse the gigantic South Pole–Aitken (SPA) basin, a wonderland of promising geological surprises.
NASA has released a new document that highlights planned programmatic paradigm shifts in Mars exploration over the next 20 years.
A proposed mission known as Uranus Orbiter and Probe would conduct a multiyear orbital tour to yield knowledge of ice giants in general and the Uranus system in particular.
The International Space Station will be steered to a controlled destruction in Earth's atmosphere in 2031, if all goes to plan. Should we be worried about the pollution this death dive will cause?
The Amateur Radio on the International Space Station (ARISS) aims to inspire and educate youth in STEM through connecting astronauts in orbit with people on the ground.
"At a time like this, we need to find more stories from the days when Americans outsmarted the bad guys and planted our flag on the moon."
"Analyzing and understanding the potential threats posed by UAP is an ongoing collaborative effort involving many departments and agencies."
Space specialists in China have begun to assess experiment samples brought back by the Shenzhou-18 crew that touched down November 4 in north China’s Inner Mongolia Autonomous Region.
China has moved up its timeline for bringing Mars samples to Earth, aiming to do so as early as 2028 — long before the U.S. is slated to achieve this same ambitious goal.
NASA remains in an ongoing test mode to determine what’s behind the ablative thermal protective material that chipped away unexpectedly from the Artemis 1 Orion heat shield during its reentry.
What is the amount of greenhouse warming required to heat up the cold climes of Mars enough so that trees can grow on the Red Planet?
The next few years are likely to be pivotal ones for NASA, according to a hard-hitting report by the U.S. National Academies of Sciences, Engineering and Medicine.
Private companies are making progress on expandable habitats, which could help humanity keep its foothold in Earth orbit and settle the moon and Mars.
NASA has extended its CAPSTONE moon mission through December 2025, allowing the cubesat to continue its pioneering exploration work.
