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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

What are the rovers up to? March 2009

Emily Lakdawalla • March 05, 2009

As usual, troubled Spirit's progress sometimes amounts to only centimeters, while golden child Opportunity has already clocked four kilometers on its trek toward Endeavour.

The Reasons Behind the MSL Delay

Ryan Anderson • March 03, 2009

There are a pair of excellent articles in this week's Space Review by Adrian Brown, looking at the Technical and Budgetary reasons that the Mars Science Lab launch was delayed until 2011.

Mapping Mars, now and in history

Emily Lakdawalla • February 26, 2009

Planetary cartographer Phil Stooke has been working on a cool project to compose and compare maps of Mars that show how we saw the planet throughout the Space Age.

Looks like the Dawn flyby of Mars went well

Emily Lakdawalla • February 21, 2009

Looks like the Dawn flyby of Mars went well: here' a photo of Mars taken by Dawn near its closest approach to Mars during its February 17 flyby.

New Google Mars

Ryan Anderson • February 03, 2009

Google Earth's latest edition was just released and guess what? It has a Mars setting!

A pretty new Hubble image of Mars

Emily Lakdawalla • February 02, 2009

A set of Mars image data taken by the Hubble Space Telescope a year ago was just released to Hubble's data archive. It was captured by Hubble's Wide Field and Planetary Camera 2 on January 30, 2008 when Mars was about 115 million kilometers from Earth.

Treasures from Mars' ancient history

Emily Lakdawalla • January 28, 2009

In which I discover Earl Slipher's Mars: The Photographic Story.

365 Days of Astronomy Podcast: Five Years of Living Vicariously on Mars

Emily Lakdawalla • January 24, 2009

Next in The Planetary Society's 365 Days of Astronomy doubleheader is Planetary Society President Jim Bell, whose show, airing today, is on "Five Years of Living Vicariously on Mars."

What are the rovers up to? January 2009

Emily Lakdawalla • January 21, 2009

Spirit's been getting some nice views of the spot it spent all of 2008 in, "Home Plate north." Meanwhile, Opportunity is motoring along.

Mars Methane Movie

Ryan Anderson • January 20, 2009

NASA has put together a nice movie of Dr. Mike Mumma summarizing his discovery of methane on Mars.

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