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Sean Penn to Star in Hulu's Mars Space Drama 'The First'

September 22, 2017 | Article

Move over, Matt Damon – it's time for a new name-brand Hollywood actor to take the stage during a fictional Mars mission. Sean Penn, a two-time Academy Award winner, will star in the Hulu original drama series "The First."
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Plate Tectonics May Have Begun a Billion Years After Earth's Birth

September 21, 2017 | Article

The differentiation of oceanic and continental crust could date back 3.5 billion years.
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How Gravity Assists Work: Asteroid Probe's 'Interplanetary Billiards' Flyby Explained

September 21, 2017 | Article

After already traveling millions of miles into space, a NASA asteroid probe will soon return to Earth to take advantage of the planet's gravity.
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Arecibo Observatory Remains Offline After Being Buffeted by Hurricane Maria

September 21, 2017 | Article

The Arecibo Observatory in Puerto Rico remained offline today (Sept. 21) after Hurricane Maria battered the island on Wednesday (Sept. 20), leaving a trail of destruction that included a total loss of power.
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Comet's 2014 Mars Flyby Caused Most Intense Meteor Shower Ever Recorded

September 21, 2017 | Article

The annual Perseid meteor shower may be great, but it's got nothing on the brief sky show that Comet Siding Spring gave Mars in October 2014.
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Astronaut's Dramatic Photos Show Hurricane Maria Raging Over Puerto Rico

September 21, 2017 | Article

While Hurricane Maria slammed Puerto Rico with pounding rainfall and dangerously strong winds yesterday (Sept. 20), astronauts at the International Space Station experienced the storm from a far more serene location roughly 250 miles above Earth.
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Most Powerful Cosmic Rays Come from Galaxies Far, Far Away

September 21, 2017 | Article

The highest-energy cosmic rays to bombard Earth apparently come from galaxies far, far away, a new study finds.
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How Cassini Managed to Live Such a Long and Useful Life at Saturn

September 21, 2017 | Article

The Cassini mission at Saturn lasted more than twice as long as it was supposed to. What's the secret to its long life?
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Watch Hurricane Maria in Action in These NASA and NOAA Gifs

September 21, 2017 | Article

Satellites operated by NASA and the National Oceanic and Atmospheric Administration (NOAA) are tracking Hurricane Maria from space you can see some of those observations below, shared by the agencies on social media.
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Atlas V Rocket to Launch US Spy Satellite Overnight Tonight: Watch Live

September 21, 2017 | Article

An American spy satellite will launch on a clandestine mission early Friday (Sept. 22), and you can follow the spaceflight action live. Liftoff is set for 1:38 a.m. EDT (0538 GMT; 10:38 p.m. local California time).
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