Astronomy
Our Sun Could Someday Reveal the Surfaces of Alien Earths
In the far future, we could reveal detailed views of distant worlds by turning our home star into a gravitational lens
"Exoplanets"
Astronomy
Ukrainian Astronomers Discover ‘Exocomets’ around Another Star
The alien comets could illuminate the history of their planetary system
Astronomy
China Is Hatching a Plan to Find Earth 2.0
A satellite will scour the Milky Way for exoplanets orbiting stars just like the sun
Astronomy
Possible Third Planet Spotted around Proxima Centauri, Our Sun’s Nearest Neighbor Star
Proxima d might be only a quarter the mass of Earth, potentially making it one of the smallest worlds yet discovered beyond our solar system
Astronomy
Astronomers Have Found Another Possible ‘Exomoon’ beyond Our Solar System
Kepler-1708 b-i appears to be a giant moon orbiting a Jupiter-sized planet thousands of light-years from Earth
Astronomy
James Webb Space Telescope Completes Crucial Sunshield Deployment
The successful unfurling of the five-layered, tennis court-sized assemblage is a major milestone for the new observatory
Planetary Science
Heavy Metal Exoplanet Found Orbiting Nearby Star
With a density close to that of pure iron, GJ 367b may be the remnant metal-rich core of an evaporated giant world
Astronomy
When Did Life Start in the Universe?
Interstellar xenia, or the welcoming of cosmic strangers, could solve this mystery
Astronomy
Scientists Plan Private Mission to Hunt for Earths around Alpha Centauri
A privately funded telescope called Toliman will seek habitable worlds in our nearest neighboring star system, potentially sparking a new wave of exoplanetary exploration
Extraterrestrial Life
How Scientists Could Tell the World if They Find Alien Life
Sparked by major advances in their field, astrobiologists are grappling with how best to discuss possible breakthrough discoveries with the public
Astrophysics
Hunt for Alien Life Tops Next-Gen Wish List for U.S. Astronomy
A major report outlining the highest priorities and recommendations for U.S. astronomy has finally been released, revealing the shape of things to come
Astronomy
‘Auroral’ Exoplanets Could Help Boost Searches for Alien Life
Four candidate worlds found via flashes of radio emission may be the first of many revealed by a new planet-hunting technique
Astronomy
This Report Could Make or Break the Next 30 Years of U.S. Astronomy
A battle for the future of American stargazing is about to begin—and the stakes are sky high
Space & Physics
Unbinding Life, Unbounded
The blog’s author reflects as nine years of writing undergo an evolutionary change
Space & Physics
The Architecture of Worlds
Our nearest star system is slowly revealing itself
Space & Physics
Magnetic Planets
Silicate dynamos could drive magnetic fields in more planets—and younger ones
Space & Physics
One Decade, a Lot of Writing
Ten years, measured in words on astrobiology, exoplanets and the cosmos in general
Space & Physics
Moon Blobs, Collapsars and Long Planets
A roundup of recent research with astrobiological implications
Space & Physics
Are Small Stars a Bit Useless?
For photon-eating life, smaller stars are unavoidably inferior providers—according to thermodynamics
Space & Physics
The Meaning of Life
Questions about living systems on other planets come with some baggage
