Air Force's X-37B robotic space plane wings past 500 days in Earth orbit By Leonard David That enigmatic U.S. military X-37B robotic space drone has now chalked up more than 500 days circling the Earth.
Mars on the cheap: Scientists working to revolutionize access to the Red Planet By Leonard David An increasing number of researchers are blueprinting low-cost and novel ways to further explore the Red Planet.
Skies alive with UFOs? Government report on mysterious sightings due soon By Leonard David The U.S. government is set to release a UFO report soon, perhaps sometime this week. What will it say?
Is war in space inevitable? By Leonard David What conditions could lead to clashes in space? Is such a situation a given, or can conflicts be short-circuited ahead of time? Space.com asked experts for their thoughts.
Spotting UFOs: Do-it-yourself sky surveillance comes online By Leonard David If you are perplexed by reports of unidentified aerial phenomena and possible visitations of alien spacecraft, you can take action with do-it-yourself sky-monitoring gear.
Defending Earth against dangerous asteroids: Q&A with NASA's Lindley Johnson By Leonard David Space.com caught up with NASA Planetary Defense Officer Lindley Johnson to discuss recent events and what's on the planetary-defense agenda in the coming year.
Scientists call for serious study of 'unidentified aerial phenomena' By Leonard David There's a rising call for "unidentified aerial phenomena" to be studied scientifically, perhaps even using satellites to be on the lookout for possible future events.
Is Earth-moon space the US military's new high ground? By Leonard David U.S. military officials have increasingly flagged a new role in guarding American assets and interests in Earth-moon space.
What does the Pentagon's new UFO task force mean? Experts weigh in. By Leonard David The Pentagon just announced the creation of a task force to analyze and understand the "nature and origins" of UFOs. Here's what the much-hyped news means.
Ready, SETI, go: Is there a race to contact E.T.? By Leonard David Researchers using China's huge new FAST radio telescope are piecing together a technological strategy to carry out a major and sweeping search for extraterrestrial intelligence (SETI).
China wants a piece of the moon. Here's how it plans to handle lunar samples. By Leonard David A glimpse into China's readiness to handle samples from the moon reveals steps to be taken for storage, processing and preparation of the specimens.
What can the coronavirus outbreak teach us about bringing Mars samples back to Earth? By Leonard David A new virus called SARS-CoV-2 is a coronavirus that has caused an outbreak of a disease called COVID-19. But what does that have to do with Mars?
UFOs May Be Piloted by Time-Traveling Humans, Book Argues By Leonard David The great distances covered by visiting "aliens" may be ones of time rather than space, a recent book argues.
An Astronaut Got a Blood Clot in Space. Here's How Doctors on Earth Fixed It. By Leonard David An unidentified astronaut aboard the International Space Station had a deep vein thrombosis — or blood clot — in the jugular vein of their neck, according to a new case study.
China's Farside Moon Rover Breaks Lunar Longevity Record By Leonard David China's farside rover, Yutu 2, has broken the longevity record for working on the surface of the moon.
Will 2020 Be the Year We Find Intelligent Alien Life? By Leonard David Is 2020 the celestial payoff year, in which astronomers finally confirm a "technosignature" coming from an advanced alien civilization?
Here's What Neil Armstrong Saw When He Landed Apollo 11's Eagle on the Moon By Leonard David See the moon through the eyes of the legendary moonwalker for the first time.
Skywatcher Captures Rare Image of Mysterious X-37B Military Space Plane By Leonard David We still don't know what the X-37B is doing up there, however.
UFOs Remain Elusive Despite Decades of Study By Leonard David The UFO-investigating group MUFON turns 50 next month. What have we learned over the past five decades?
Failed 1970s Venus Probe Could Crash to Earth This Year By Leonard David The Soviet Union launched the Cosmos 482 Venus probe on March 31, 1972. But the failed Venus craft is crashing back to Earth soon.
US Military Space Plane Wings Past 500 Days on Latest Mystery Mission By Leonard David The secretive mission of a U.S. Air Force X-37B miniature space plane just winged past 500 days in Earth orbit.
X-37B Military Space Plane Wings Past 400 Days on Latest Mystery Mission By Leonard David The latest mystery mission of the U.S. Air Force's robotic X-37B space plane has now passed the 400-day mark.
China's 8.5-Ton Space Lab Expected to Fall to Earth Over Easter Weekend By Leonard David China’s Tiangong-1 space lab will likely fall to Earth between March 30 and April 2, according to the latest prediction by the European Space Agency’s (ESA) Space Debris Office in Darmstadt, Germany.
