From the Lunar Far Side, China's Rover Reveals Moon's Hidden Depths
The Chang’e-4 mission appears to have found material excavated from a frozen magma ocean far below the lunar surface
Stories by Jonathan O'Callaghan
SpaceX’s Starlink Could Cause Cascades of Space Junk
Plans for thousands of new communications satellites would revolutionize global telecommunications but also raise risks of disaster in Earth orbit
An Exomoon Eludes Astronomers—for Now
Researchers may have already glimpsed the first-known exomoon—a satellite of a planet orbiting another star; but confirmation of that potential discovery could be many years away
A Heavy-Metal Planet Orbiting a Dead Star May Foretell Our World's End
The iron core of what was once a world has been found around a white dwarf star, shedding light on the final days of planetary systems—including our own
Would New Physics Colliders Make Big Discoveries or Wander a Particle Desert?
Around the globe, imminent decisions on proposed next-generation experiments are set to shape particle physics for decades to come
Sound by the Pound: Surprising Discovery Hints Sonic Waves Carry Mass
Some sounds might possess a tiny but measurable amount of negative gravitational mass
In Search of Life's Origins, Japan's Hayabusa 2 Spacecraft Lands on an Asteroid
The mission to Asteroid Ryugu could return samples of the space rock to Earth in 2020
Astronomers Traverse the Globe to Shadow "Lucky Stars"
A surge in occultation science is allowing astronomers to study the sun’s asteroids, planets and moons like never before
Voyager 2 Spacecraft Enters Interstellar Space
After a journey of more than four decades, Voyager 2 has passed beyond the sun’s influence
China Launches First-Ever Mission to the Moon's Farside
In late December or early January the Chang’e 4 spacecraft will touch down at a site near the lunar south pole within the solar system’s largest-known impact crater
"Schrödinger's Bacterium" Could Be a Quantum Biology Milestone
A recent experiment may have placed living organisms in a state of quantum entanglement
Can We Find the Home of Our First Interstellar Visitor?
The most detailed study yet identifies four candidates for ‘Oumuamua’s cosmic birthplace
