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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

Preview: 2016 aboard the International Space Station

Jason Davis • December 30, 2015 • 1

A look ahead to see what's in store for the astronauts and cosmonauts aboard humanity's orbital outpost.

Spacewalkers Unstick Cart ahead of Cargo Ship Arrival

Jason Davis • December 21, 2015

NASA astronauts Scott Kelly and Tim Kopra successfully completed a spacewalk to free a stuck Mobile Transporter cart outside the International Space Station.

Rail-riding ISS Cart Jams, Prompting Contingency Spacewalk Plans

Jason Davis • December 18, 2015

A rail-riding cart weighing nearly a metric ton jammed while moving along the International Space Station's exterior yesterday, prompting ground controllers in Houston to prepare for an unscheduled spacewalk.

New Crew Arrives at ISS following Docking Drama

Jason Davis • December 15, 2015 • 1

Following a picture-perfect launch and some last minute docking drama, Tim Kopra, Tim Peake and Yuri Malenchenko arrived safely to the International Space Station today.

Expedition 45 Crew Makes Nighttime Landing in Kazakhstan

Jason Davis • December 11, 2015

Three International Space Station crewmembers are safely back on Earth following a post-sunset Soyuz touchdown in Kazakhstan.

Cygnus Arrives at Station, Marking Restart of U.S. Cargo Flights

Jason Davis • December 09, 2015

A Cygnus cargo spacecraft arrived at the International Space Station this morning, carrying more than three metric tons of critical crew supplies.

SpaceX, Partners Prepare for Falcon Return-to-Flight

Jason Davis • December 08, 2015

SpaceX is preparing to return its Falcon rocket to service after the loss of a mission in June 2015. A backlog of payloads, including an ISS-bound Dragon cargo craft, await.

After Weather Cooperates, Atlas Rocket Launches Cygnus Cargo Craft to ISS

Jason Davis • December 06, 2015

It took four tries for the weather to cooperate, but on Sunday afternoon, a Cygnus cargo spacecraft loaded with 3.3 metric tons of critical crew supplies launched toward the International Space Station.

Bad Weather Fizzles Cygnus Launch Attempt (Again)

Jason Davis • December 04, 2015

A second launch attempt of a Cygnus cargo spacecraft bound for the ISS was scrubbed this evening, forcing ground controllers to schedule a third try Saturday at at 5:10 p.m. EST (22:10 UTC).

Preview: Cygnus to Resume ISS Cargo Runs with Help from Atlas V Rocket

Jason Davis • December 02, 2015

Orbital ATK is returning its Cygnus cargo spacecraft to service on Thursday. This time, the ride to orbit will be a United Launch Alliance Atlas V rocket.

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