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Plus a high-res map of Bennu, a virtual space party, and more
2 March 2020
Learn why and how we study exoplanets, and how you can get involved.
Scientists are searching for 100 Earth-like planets around other stars, and you can help.
Swapna Krishna ● 12 March 2020
The habitable zone is the not-too-hot, not-too-cold region around a star where liquid water can exist.
Emily Lakdawalla ● 2 March 2020
Lava worlds. Hot Jupiters. Earth 2.0 candidates. Here's a rundown of some notable exoplanets.
Emily Lakdawalla & Staff ● 2 March 2020
Some methods almost sound like science fiction: Using gravity as a magnifying glass, watching stars wobble at turtle-like speeds, and searching for tiny dips in starlight.
WFIRST, NASA's Wide Field Infrared Survey Telescope, is the next step in our hunt for Earth-sized exoplanets.
• December 31, 2010
Time to open the thirty-first (and next-to-last) door in the advent calendar. Where in the solar system are these dark-rimmed craters?
This week is the end for Kodachrome film. It's a casualty of the digital revolution.
• December 30, 2010
Time to open the thirtieth door in the advent calendar. Where in the solar system is this ridged crater?
I've just posted my annual roundup of significant images from planetary exploration in 2010.
Ready for the New Year? It's going to be an exciting one.
• December 29, 2010
Time to open the twenty-ninth door in the advent calendar. Where in the solar system is this fractured flowing ice?
Did you know that before Bill Nye was the Planetary Guy or even the Science Guy he was an aerospace engineer, designing components for the Boeing 747?
SOHO was launched more than 15 years ago to study the Sun, primarily; but a side benefit of its constant observation of the Sun has been its ability to notice "sungrazers," comets that are on deadly close approaches to our star.
• December 28, 2010
Time to open the twenty-eighth door in the advent calendar. Where in the solar system is this cratered and streaked surface?
• December 27, 2010
Today the 365 Days of Astronomy podcast aired my contribution, Small Worlds, about the smaller denizens of the solar system visited in the past year, and due to be visited in the next.
Become a member of The Planetary Society and together we will create the future of space exploration.
Help advance robotic and human space exploration, defend our planet, and search for life.