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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

Planetary Radio: Ten Years A Roving: The Mars Exploration Rovers

Mat Kaplan • December 24, 2013

This week's show looks back over ten years of exploration by Spirit and Opportunity. Writer A.J.S. Rayl recounts the challenges encountered early in the mission, and how an outstanding team triumphed.

Habitability, Taphonomy, and Curiosity's Hunt for Organic Carbon

John Grotzinger • December 21, 2013 • 4

Lots of people ask questions about how the Curiosity mission, and future missions, will forge ahead to begin with looking for evidence of past life on Mars. There is nothing simple or straightforward about looking for life.

Curiosity update, sols 465-487: Wheel inspection, software upgrade, Cumberland dump

Ken Herkenhoff • December 19, 2013

Curiosity activities over sols 465 to 487 included monitoring the condition of the wheels; a flight software upgrade; and dumping the Cumberland drill sample. Curiosity put approximately 200 meters on the odometer during this period.

An Updated Mars Exploration Family Portrait

Jason Davis • December 18, 2013 • 6

The Mars Exploration Family Portrait shows every dedicated spacecraft mission to Mars, and now includes India's Mars Orbiter Mission and NASA's MAVEN.

A Tale of Two Posters: Sediment on Mars and Searching Jupiter's Rings

Mark Hilverda • December 12, 2013

A close look at two international planetary science poster presentations from the 2013 AGU Fall Meeting featuring sediment experiments to better understand Martian geomorphology and Juno's plans for exploring Jupiter's ring system.

Curiosity results at AGU: Gale crater rocks are old, but have been exposed recently

Emily Lakdawalla • December 09, 2013 • 4

In a Martian first, the Curiosity science team has measured the age of a Martian rock, in two totally different ways. They presented the result at the 2013 meeting of the American Geophysical Union.

The Mists of Mars

Bill Dunford • December 09, 2013 • 3

Two grand canyons fill with fog, one on Earth and one on Mars.

Mars' chemical history: Phyllosian, Theiikian, Siderikian, oh my

Emily Lakdawalla • December 05, 2013 • 4

I'm returning to the deep dive into the literature that began with articles about lunar basins and then explored the geologic time scales of Earth, Moon, and Mars. Now it's time to catch up to the last decade of Mars research and learn what "phyllosian", "theiikian", and "siderikian" eras are.

The Mariner Mars Globe

Don Davis • November 29, 2013 • 3

In 1971 I was being trained to work with the airbrush by the map artists at the U.S. Geological Survey's Branch of Astrogeologic Studies in Flagstaff. However, the project I ended up spending about a quarter of a man-year on was a hand-painted map globe of Mars.

Curiosity update, sols 453-464: Electrical problem causes delays; rover back to work

Ken Herkenhoff • November 25, 2013 • 1

An electrical problem frustrated progress on the Curiosity mission this week, but the problem is now understood and the rover back to work.

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