Latest articles by Leonard David
The chairs of several NASA analysis and assessment groups (AGs) issued a statement in response to the Trump administration's proposed budget that would gut science programs.
The White House says NASA's Mars Sample Return mission is a waste of money, but experts say the mission could help it achieve its goal of putting humans on Mars.
Spaceport America is the first purpose-built commercial spaceport in the world — but its executive director has a portfolio of ideas to further grow the launch complex.
Asteroid experts are pondering the scientific output from the NASA Lucy spacecraft after it shot by its celestial destination, the main belt asteroid named Donaldjohanson.
The soon-to-reenter Soviet Cosmos 482 Venus probe is getting increased attention by satellite trackers – and new imagery provides some interesting details.
A Venus lander launched by the Soviet Union in 1972 has been predicted to fall back to Earth some time in May.
Firefly Aerospace's CEO Jason Kim says the company's successful Blue Ghost moon lander mission revealed 'so much that we didn't know' about the lunar surface.
Space.com caught up recently with Dave Cavossa, president of the Commercial Space Federation, to discuss the state of the U.S. private space industry.
A Q&A with Lindley Johnson, a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an asteroid or comet.
A team that includes aerospace engineers, historians and writers have proposed retrieving the 67-year-old Vanguard 1 satellite from orbit.
Astrophysicist and artist Ed Belbruno explains how art helps scientists communicate their work to the public and even discover solutions to spaceflight and astronomy problems.
Experts are already looking into the risks of piracy in space and solutions to this potentially devastating economic and legal problem.
The first private spacecraft mission to Venus, Rocket Lab's Photon Spacecraft, will take on the planet's hellish conditions with the aid of a novel woven heat shield called "HEEET."
It's been a week since NASA lost contact with its new water-hunting moon satellite.
A new study reconsiders the controversial findings of NASA's Viking Mars lander in 1976, which some argue may have shown signs of past life on the Red Planet.
"On the ground, it mainly rolls by shifting its center of gravity."
NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, as early as 2027.
An annual safety report to NASA has both praise and also underscores a number of cautionary woes, including the space agency's Artemis undertaking to return astronauts to the moon.
Scientists are proposing ways to explore Venus in the next decade and beyond by way of a host of advanced technologies, from balloons to long-lived landers.
NASA's Lunar Trailblazer probe has made it to Florida's Cape Canaveral to prep for its launch to the moon, which could occur as soon as Feb. 26.
Uncontrolled space debris reentries are of growing concern for air traffic, as SpaceX's recent Starship Flight 7 showed.
Despite crashing in the Utah desert in 2004, NASA's Genesis mission is still helping scientists study the effects of solar wind.
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.
