Latest articles by Leonard David
Could humans someday explore Saturn's moon Titan, or will humanoid robots do it for us?
Could humans ever set foot on Titan, or will AI-powered humanoid robots make the voyage instead?
'Titan is actually a very reasonable destination for humans': Scientists start mapping out crewed mission to huge Saturn moon
Researchers met recently for the first "Humans to Titan Summit 2026," which explored how to send astronauts to the huge Saturn moon.
A SpaceX rocket will slam into the moon this August. Will we be able to see it?
A spent SpaceX Falcon 9 upper stage is set to impact the moon this August, but experts aren't sure if the crash will be visible from Earth.
NASA wants to dump the ISS in the sea. Experts say the plan 'raises serious concerns for ocean health'
NASA's plan to deorbit the International Space Station in coming years has stirred up a wave of reaction by a leading ocean conservation organization.
'Let's not fool the public': Why moon art should be more realistic in the Artemis age
As NASA's Artemis program hits its stride, there's an urgent need to guard against artistic misrepresentations of the moon, experts say.
Could we actually terraform Mars? Scientists are trying to find out
Scientists have drawn up a research blueprint for assessing the viability of warming the Red Planet, outlining what it might take to make Mars a place in space where Earth life can thrive.
Do we need a lunar building code to build moon bases safely?
As NASA pushes to build a sustained human presence on the moon, one expert says what's needed is a lunar building code.
SpaceX goes public with a mind-bogglingly historic IPO. The space industry may never be the same.
With the launch of SpaceX into the IPO frontier today, the space industry has its newest publicly traded juggernaut.
Scientists call for a secure lunar quarantine facility for extraterrestrial samples: 'The moon may become humanity's first line of biological defense'
Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial samples that might be harmful to Earth's biosphere.
Will SpaceX still be a launch company after its historic IPO?
What does SpaceX's coming IPO mean for the company, investors and markets in general?
Watch this bio-inspired Mars rover concept 'swim' through sand on curved wheels (video)
The sandfish locomotion idea has been adopted from Scincus scincus, a lizard found in the Sahara desert.
Companies like SpaceX want electromagnetic catapults on the moon. Could they be used as weapons?
A new report stresses the strategic and security implications of placing mass drivers on the moon by arguing that these launchers could serve as valuable first strike weapons systems.
China shakes up its space programs to land astronauts on the moon by 2030: 'We will spare no effort'
China is melding its robotic Chang'e lunar probe activities with the country's human spaceflight program in an effort to land astronauts on the moon by 2030.
The UFO files: What did we learn from the Pentagon's 1st big release?
On May 8, the Pentagon released its first tranche of "UFO files." Space.com reached out to experts to make sense of this highly anticipated data drop.
Lasers shine a new light on the space junk air pollution problem
Scientists are using a new technique to study incoming space debris and its effects on Earth's atmosphere.
NASA's Artemis 2 astronauts saw flashes on the far side of the moon that cameras struggle to capture. Here's why scientists are excited
The Artemis 2 astronauts saw several impact flashes on the moon during their epic April 6 flyby, observations that have excited scientists and mission planners alike.
Should Saturn's huge moon Titan be humanity's next destination, after the moon and Mars?
Next month, a first-of-its-kind gathering will blueprint an eventual crewed trek to tantalizing Titan, the largest of Saturn's many moons.
'This is going to be what makes the Earth secure.' How one California company plans to protect us from dangerous asteroids
Exploration Labs has proposed the first commercial deep space ride share mission, known as Apophis EX, to rendezvous with potentially hazardous asteroid Apophis.
SpaceX rocket debris could slam into the moon: Here's what you need to know
Earth's moon is to be on the receiving end of a spent rocket stage in early August - the leftovers from a SpaceX Falcon 9 launch last year.
Could the moon ever be blockaded? Experts predict cislunar space could be the next Strait of Hormuz
The ongoing military conflict regarding Iran and the Strait of Hormuz may well mirror a future situation off-Earth — the use of cislunar space, the region between the moon and our planet.
NASA wants to use a fleet of MoonFall drones to scout the lunar south pole: 'We believe we can do it'
NASA is exploring ways to use a fleet of drones to explore the lunar south pole with an ambitious new MoonFall project.
Making contact with ET? Aliens may already know we're here
Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent goings-on, betraying our existence and hinting at our capabilities.
NASA's Curiosity rover finds building blocks of life on Mars. Scientists aren't sure how they got there
NASA's Curiosity rover has found a diverse mix of organic molecules on Mars, including chemicals considered building blocks for the origin of life on Earth.
