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More Issues

Feature: Exoplanets

2 March 2020

Your Guide to Exoplanets

Learn why and how we study exoplanets, and how you can get involved.

2 March 2020

Our Exoplanets Research

Scientists are searching for 100 Earth-like planets around other stars, and you can help.

Swapna Krishna ● 12 March 2020

What is the Habitable Zone?

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

The Different Kinds of Exoplanets
You Meet in the Milky Way

Lava worlds. Hot Jupiters. Earth 2.0 candidates. Here's a rundown of some notable exoplanets.

Emily Lakdawalla & Staff ● 2 March 2020

How to Search for Exoplanets

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.

2 March 2020

Your guide to WFIRST

WFIRST, NASA's Wide Field Infrared Survey Telescope, is the next step in our hunt for Earth-sized exoplanets.

Blogs & Articles

Door 24 in the 2010 advent calendar

Emily Lakdawalla • December 24, 2010

Each day until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these squirrely spots?

Opportunity: "So close we can taste it" to Santa Maria

Emily Lakdawalla • December 14, 2010

Opportunity is on a kilometers-long eastward road trip across Meridiani Planum toward the rim of a large ancient crater named Endeavour; it'll be many months yet before she gets there.

Door 11 in the 2010 advent calendar

Emily Lakdawalla • December 11, 2010

Time to open the eleventh door in the advent calendar. Until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these sinuous ridges?

Door 4 in the 2010 advent calendar

Emily Lakdawalla • December 04, 2010

Time to open the fourth door in the advent calendar. Where in the solar system is this crater-specked mound?

Fly over Mars

Emily Lakdawalla • November 08, 2010

Adrian Lark has posted several new flights over gorgeous Martian landscapes to his Youtube channel. My favorite of his recent ones is this dive into Zumba crater.

Mars Climate Sounder Watches Mars Weather to Prepare for Curiosity Landing [DUPLICATE]

Emily Lakdawalla • September 30, 2010

I just posted the following update to the Mars Climate Sounder Team Website. I didn't realize until this message came in to my inbox that it is now one Mars year before Curiosity lands. Tick, tick, tick...

Fourth MSL Landing Site Workshop: Day 2: Reports from Ryan Anderson

Emily Lakdawalla • September 30, 2010

I left the first day of the Fourth Mars Science Laboratory Landing Site Community Workshop on Monday just as they were getting in to the site-specific presentations. I left with no concern that I'd miss anything, though, because I knew that once he got done presenting his own work on Gale Crater, Cornell grad student Ryan Anderson would be taking notes and blogging the presentations on the other three sites.

Mars Climate Sounder Watches Mars Weather to Prepare for Curiosity Landing

David Kass • September 29, 2010

Two weeks ago Mars Reconnaissance Orbiter and Mars Climate Sounder (MCS) started a four-week campaign to support entry, descent, and landing phase for the next Mars rover, Mars Science Laboratory (or "Curiosity").

Fourth MSL Landing Site Workshop: Day 1 notes: Introduction, biosignatures, and mineralogy

Emily Lakdawalla • September 28, 2010

I apologize in advance for the expanse of text, but I hope that some of you will find the details interesting.

Fourth MSL Landing Site Workshop: A review

Emily Lakdawalla • September 27, 2010

Today, tomorrow, and Wednesday, about 200 scientists and engineers will sit in an over-air-conditioned room in Monrovia, California to participate in what is officially titled the "Fourth Mars Science Laboratory Landing Site Community Workshop."

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