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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

Door 18 in the 2010 advent calendar

Emily Lakdawalla • December 18, 2010

Time to open the eighteenth door in the advent calendar. Where in the solar system is this brush-stroked surface?

Door 9 in the 2010 advent calendar

Emily Lakdawalla • December 09, 2010

Time to open the ninth door in the advent calendar. Where in the solar system is this jumble of boulders and fissures?

What's the significance of this unremarkable spot on the Moon?

Emily Lakdawalla • November 29, 2010

This was a fun image released by the Lunar Reconnaissance Orbiter Camera science team. Take a look at it and see if you can figure out what the significance of the red arrow is.

Lunar Reconnaissance Orbiter press briefing: silicic volcanoes on the Moon

Emily Lakdawalla • September 16, 2010

I'm listening to a press briefing from several members of the Lunar Reconnaissance Orbiter science team, regarding three papers published today in Science.

Two natural bridges on the Moon (now with 3D!)

Emily Lakdawalla • September 07, 2010

Imagine this landscape: you're walking across an unusually smooth lunar surface, an impact melt sheet on the floor of a relatively recently formed crater.

New crater found in LROC image from the Moon

Emily Lakdawalla • July 27, 2010

This news is no surprise, but I think it's the first such discovery I've heard of: the Lunar Reconnaissance Orbiter Camera (LROC) team has identified a new crater on the Moon, one that wasn't there when Apollo 15 flew over.

A bull's eye on the Moon

Emily Lakdawalla • July 16, 2010

Orientale is the youngest large impact basin on the Moon, which means that very little of it has been obliterated by later impacts.

Elephant Skin on the Moon

Emily Lakdawalla • June 28, 2010

There's a name for that funny hummocky texture to the lunar landscape: "elephant skin."

Is this SMART-1's impact site?

Emily Lakdawalla • June 15, 2010

Speaking of spacecraft crashing...

Pretty picture: An unexplained chain of elliptical craters on the Moon

Emily Lakdawalla • April 02, 2010

Here's the first cool pic I've managed to produce from the recently-released Lunar Reconnaissance Orbiter Camera data set.

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