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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

MSL Press Conference Notes

Ryan Anderson • December 04, 2008

Mike Griffin started the press conference, and got right down to business announcing the launch delay and indicating that the actuators as well as other technical problems are responsible.

MSL Press Conference Tomorrow

Ryan Anderson • December 04, 2008

At 12 noon EST. I know what the announcement is, but I'm not allowed to tell you! How frustrating is that?!

MSL Launch Delayed by Two Years

Ryan Anderson • December 04, 2008

As I post this, NASA is holding a press conference in which they are announcing that the Mars Science Laboratory's launch date will be slipped by two years.

Sample Return Cache on MSL Canceled!

Ryan Anderson • November 23, 2008

I just heard, via this article at Universe Today, that the sample cache on MSL has been canceled.

MSL Landing Sites Narrowed to Four

Ryan Anderson • November 20, 2008

I've known about this for a little while but it was finally made public: The list of MSL landing sites had now been trimmed to four.

MSL Still Aiming for Oct 2009

Ryan Anderson • October 10, 2008

NASA is holding a press conference right now regarding MSL and it sounds like they are going to press on and try to achieve the October 2009 launch date.

MSL Landing Site Selection: The Votes are In!

Ryan Anderson • September 17, 2008

It looks like the top three sites are Eberswalde, Holden and Gale.

MSL Workshop: Votes are Cast!

Ryan Anderson • September 17, 2008

The discussion and arguments are over! We are just waiting for the last few ballots to be submitted, and then the project science group will start counting them.

MSL Workshop Presentations!

Ryan Anderson • September 17, 2008

For those of you playing along at home, I thought I should point out that most of the presentations so far are posted at the "marsoweb" landing site website, so I encourage you to go check them out.

Potential MSL Site: Gale Crater

Ryan Anderson • September 17, 2008

I am sort of breaking my own protocol here by posting about Gale crater before I hear the presentations today, but since we will immediately go into discussion and decision making after it is presented this morning, I figured that it would be good to familiarize you with it now.

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