
EX-PRIZE: Google's $30-Million Moon Race Ends with No Winner
After more than a decade of activity, the Google Lunar XPRIZE is concluding—but the race to the moon continues
Mike Wall has been writing for Space.com since 2010. His book about the search for alien life, “Out There,” was published on Nov. 13, 2018. Before becoming a science writer, Michael worked as a herpetologist and wildlife biologist. He has a Ph.D. in evolutionary biology from the University of Sydney, Australia, a bachelor’s degree from the University of Arizona, and a graduate certificate in science writing from the University of California, Santa Cruz.

EX-PRIZE: Google's $30-Million Moon Race Ends with No Winner
After more than a decade of activity, the Google Lunar XPRIZE is concluding—but the race to the moon continues

Fate of Secret "Zuma" Satellite Unknown after SpaceX Launch
Rumors swirl around whether or not a mysterious spacecraft successfully entered and began operations in low Earth orbit

Weird “Tubes” on Mars Are Probably Not Signs of Life
Crystalline growth, rather than biotic processes, are the likely explanation for strange Martian minerals glimpsed by NASA’s Curiosity rover

Dust, Not Aliens, Is Likely Cause of Star’s Weird Dimming
Even so, the strange saga of Tabby’s Star is far from over

To Find Life on Mars, Look Underground
Ancient, buried hydrothermal systems are ideal sites to search for Martian fossils

Weird World: Evaporating Exoplanet’s Orbit Is Askew
The Neptune-mass planet GJ 436b has a comet-like tail and a bizarre orbit that takes it over the poles of its star

Interstellar Visitor Stays Silent--for Now, No Signs of Aliens on 'Oumuamua
The bizarre object is emitting no obvious radio signals, but observations and analyses have just begun

ESPRESSO Gives Planet Hunting a Jolt
New high-performance instrument could reveal hidden habitable worlds around nearby stars

“Equator Trap” May Hinder Search for Alien Life
Bizarre atmospheric circulation patterns could obscure signs of life on some nearby exoplanets

SpaceX’s Planned Giant Rocket Could Chase Down Interstellar Asteroid
A new study charts potential courses for missions to ‘Oumuamua, an oddly-shaped space rock from another star

Interstellar Message Beamed to Nearby Exoplanet
The radio signal directed at a world 12 light-years away included music and math lessons from Earth

Meet ‘Oumuamua, the First-Ever Asteroid from Another Star
An interstellar space rock seen hurtling through the solar system now has a name

New Planet on the Block May Be Habitable
The Earth-mass world orbits a dim, quiet star just 11 light-years away

NASA “Twins Study” Shows How Spaceflight Changes Gene Expression
A nearly year-long stay on the International Space Station revealed boosts in gene methylation

Curiosity Mars Rover Tests Drill after Long Delay
Dormant since late 2016, the rover’s rock-boring drill could soon come back online

Demand for Stephen Hawking's Thesis Crashes Web Site
Downloads of the physicist’s 1966 doctoral thesis overwhelm University of Cambridge servers

U.S. Will Return to the Moon, Pence Says
The Trump administration set NASA on a new course at the first meeting of the National Space Council

New Observations Deepen Mystery of “Alien Megastructure” Star
Orbiting dust could explain some—but not all—of the star’s bizarre behavior

Construction of Thirty Meter Telescope Gets Go-Ahead
The ruling could allow the project to move forward after years of delays and opposition

Sputnik Moments: Trio of Spaceflight Events Shook U.S. in 1957
The Soviet Union launched the world’s first artificial satellite 60 years ago

NASA Postpones Launch of James Webb Space Telescope
The multibillion-dollar observatory is now scheduled to launch in spring of 2019

Fast Radio Bursts Flash throughout the Cosmos
The mysterious and powerful cosmic outbursts could occur as often as once per second in the observable universe

Binary Giant Black Holes Spotted at Galaxy's Core
The objects are separated by less than one light year—the most compact pairing of supermassive black holes ever seen

After Cassini’s End at Saturn, Outer Planets Exploration Shifts to Jupiter
NASA and the European Space Agency may soon launch new missions to the solar system’s largest planet