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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

HiRISE sees Phoenix in the Martian spring

Emily Lakdawalla • October 28, 2009

These Mars Reconnaissance Orbiter HiRISE images of the defunct Phoenix lander in the early dawn light of northern spring have been out for some time, but no one had accomplished the difficult task of locating the Phoenix hardware in them until this week.

Arizona Daily Star reports MRO managers working to avoid "unlikely but potentially fatal scenario"

Emily Lakdawalla • October 28, 2009

Mars Reconnaissance Orbiter has been in safe mode for nine weeks, since August 26, the date of the fourth in a series of safing events.

Beautiful 3D animation of Spirit's environs in Gusev Crater

Emily Lakdawalla • September 23, 2009

Doug Ellison has done it again: he's created a spectacular overflight of Gusev crater based upon digital elevation models of the terrain produced by the United States Geological Survey from HiRISE data.

New HiRISE image of Spirit at Home Plate

Emily Lakdawalla • September 03, 2009

There's a lovely new color HiRISE image of Spirit at Home Plate. It was captured on July 16 (sol 1,968), and Spirit is firmly entrenched at Troy, on the western side of Home Plate.

New image of Opportunity on Mars

Emily Lakdawalla • August 14, 2009

I really can't explain why it didn't occur to me to search for the rover in the image of Victoria crater released by the HiRISE team on Wednesday.

Mars eye candy: New oblique view of Victoria crater

Emily Lakdawalla • August 12, 2009

Today the HiRISE team released a lovely new view of Victoria crater, taken nearly a year after the Opportunity rover departed it.

Looking at Mars with the MRO CTX

Ken Edgett • May 29, 2009

Looking at Mars with the MRO CTX

Mars: "Follow the Water" Is Not Dead

Ken Edgett • May 26, 2009

Sometimes it is a bit awkward being a planetary scientist.

Exciting Times Ahead: 2010 Will Sizzle, and 2011 Will Really Cook!

Alan Stern • May 18, 2009

Today, I'm kicking the week off with a look at the unusually intense confluence of far flung planetary exploration that's just around the corner, starting the middle of next year.

Pretty Dunes in Gale Crater

Ryan Anderson • April 27, 2009

This is a tiny subframe from the HiRISE image PSP_009294_1750.

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