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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

Dawn Journal: Second Extended Mission

Marc Rayman • November 03, 2017 • 1

Building on the successes of its primary mission and its first extended mission, NASA has approved the veteran explorer for a second extended mission.

Dawn Journal: 10 Years in Space

Marc Rayman • October 04, 2017 • 1

A decade after leaving its first home in the solar system, Dawn is healthy and successful at its current residence around Ceres.

Dawn Journal: Still More Science

Marc Rayman • July 11, 2017 • 5

Orbiting the only dwarf planet inside the orbit of Neptune, Dawn is healthy and continuing to carry out its assignments at Ceres, which includes keeping an eye on cosmic rays.

Dawn Journal: Adaptations

Marc Rayman • May 30, 2017 • 9

On the other side of the solar system, invisible by virtue both of the blinding glare of the sun and by the vastness of the distance, Dawn is continuing its remarkable cosmic adventure.

Learn the rocket equation, part 2

David Shortt • May 05, 2017 • 2

In the second and final chapter of our series, we’ll explore what the rocket equation has to say about travel through the solar system, using the example of launching a rocket to Pluto.

Dawn Journal: On Course for Opposition

Marc Rayman • May 01, 2017 • 1

The Dawn spacecraft is about to swing into a new orbital path to observe the enigmatic "bright spots" in Occator Crater on Ceres—among other targets.

Dawn Journal: Bonus Plans

Marc Rayman • March 31, 2017 • 1

Now in its third year of orbiting a distant dwarf planet, a spacecraft from Earth is as active as ever. Like a master artist, Dawn is working hard to add fine details to its stunning portrait of Ceres.

Dawn Journal: Intricate Maneuvers

Marc Rayman • March 02, 2017 • 2

The Dawn mission is executing an ambitious bonus goal recently devised for its extended mission. Mission Manager and Chief Engineer Marc Rayman brings us his monthly update.

Dawn Journal: A New Perspective on Ceres

Marc Rayman • February 01, 2017 • 9

Dawn has moved into its sixth orbital phase, with a new sun angle that provides an opportunity to gain a new perspective on the asteroid Ceres.

Dawn Journal: Looking Back, Looking Forward

Marc Rayman • January 03, 2017 • 1

Dawn is concluding a remarkable year of exploring dwarf planet Ceres. Chief Engineer and Mission Manager Marc Rayman brings us his latest update.

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