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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

Curiosity, from a 1935 perspective

Jason Davis • December 03, 2011

With a new rover, Curiosity, on its way to Mars, Jason Davis takes a look at what we knew - or thought we knew - about the planet back in 1935.

Bye-bye, Curiosity

Emily Lakdawalla • November 29, 2011

A few fortunate (and forward-thinking) skywatchers looked upward in the hours after Curiosity's launch and were able to see the spacecraft leaving Earth.

How did they make the nuclear power source for the Curiosity rover?

Emily Lakdawalla • November 28, 2011

Maybe it's because I was a kid during the Cold War; I always assume that information about anything nuclear only comes out on that "need-to-know basis."

Curiosity is on its way to Mars!

Emily Lakdawalla • November 26, 2011

It was a textbook launch for the Atlas V 541 today at 15:02 UTC, and within an hour after liftoff, the Centaur second stage had sent Curiosity on its way for an 8.5-month journey to Mars.

Mars Exploration Family Portrait

Emily Lakdawalla • November 23, 2011 • 1

Jason Davis put together this neat summary of the checkered history of Mars exploration.

Curiosity in context: Not exactly "Viking on wheels," but close

Emily Lakdawalla • November 21, 2011

As I was beginning my research for my two magazine articles on the Curiosity rover's upcoming mission to Mars, I needed to figure out for myself how exactly this gigantic, ungainly machine fit in to the context of past Martian missions.

Curiosity stacked for launch, still waiting for plutonium power source installation

Emily Lakdawalla • November 04, 2011

It's still three weeks until Curiosity's launch date, but the spacecraft has already been placed on top of its rocket. The Kennedy Space Center's Curiosity photo album now has lots of pictures of the spacecraft being enclosed inside the payload fairing (the rocket's "nose cone") and hoisted to the top of the Atlas V.

Print publications galore!

Emily Lakdawalla • November 03, 2011

November has already been a very good month for me in the print publication realm. I've had published not one, but two, feature articles on Curiosity, the Mars Science Laboratory rover.

Photos: Preparations for Curiosity's launch proceeding (don't show these to Blofeld!)

Emily Lakdawalla • October 11, 2011

Kennedy Space Center has recently created a photo album collecting their photos from the clean rooms where technicians are working madly to prepare the Curiosity Mars rover for launch.

It's official now: Curiosity is going to Gale

Emily Lakdawalla • July 22, 2011

The news leaked a few weeks ago has turned out to be true: the next Mars rover, Curiosity, will be headed for Gale crater on Mars when it launches at the end of this year.

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