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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

Riding With Cassini Through 2014

Bill Dunford • December 31, 2014 • 1

Video: see some of the sights Cassini saw this year.

Planetary exploration in 2015: The Year of the Dwarf Planet

Emily Lakdawalla • December 31, 2014 • 8

Looking ahead to what we can expect from Earth's exploration of the rest of the solar system in 2015, there's an obvious theme: Dwarf planets.

A (Difficult) Day in the Solar System

Bill Dunford • October 30, 2014 • 13

After a bad day on the launch pad, some perspective.

Cassini's awesomeness fully funded through mission's dramatic end in 2017

Emily Lakdawalla • September 03, 2014 • 9

Last year, rumors swirled that NASA may be so pinched for dollars that the agency might end the Cassini mission early. Today, Cassini received the welcome news that it has formally been funded through the planned end of its extended-extended mission in 2017. A huge congratulations to the Cassini mission!

Curiosity Rover Science Plan Slammed by NASA Review Panel

Casey Dreier • September 03, 2014 • 19

Senior review recommends continuing all major planetary exploration missions, but not without some changes.

On the masses and motions of mini-moons: Pandora's not a "shepherd," but Prometheus still is

Emily Lakdawalla • July 04, 2014 • 4

As Cassini celebrates 10 years at Saturn, we're beginning to see its long-term observations of Saturnian moons bear fruit. A surprising new result: While Prometheus exerts control over the F ring and Atlas, Pandora -- long thought to be a shepherd of the F ring -- does not.

A close look at Saturn's closest moons

Emily Lakdawalla • June 26, 2014 • 1

A new composite image of the eight named moons that orbit closest to Saturn, and a list of all the best Cassini observations of these moons.

Of Rings and Resolution

Bill Dunford • June 23, 2014 • 3

Seeing Saturn before and after Cassini.

Another Day in the Solar System

Bill Dunford • May 12, 2014 • 1

One day, five worlds.

Another Pale Blue Dot — Uranus Spied By Cassini

Val Klavans and Ian Regan • April 30, 2014 • 1

The Cassini mission has already returned an array of images of other solar system members from Saturn orbit: Earth (and the Moon), Venus, Mars, and Jupiter. It’s time to add another world to that list!

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