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Extraterrestrial Life Could Be Purple

22 October, 2018 - 18:51
Earth's early life might have been purple, suggesting the search for extraterrestrial life should scan for the color.

Einstein and the Incredible Hulk Now Have Their Own Constellations (But You'll Never See Them)

22 October, 2018 - 18:44
NASA added 21 new "constellations" to the sky, thanks to invisible gamma-ray light.

Apollo 7 Astronaut Recounts Splashdown at 50th Anniversary Gala

22 October, 2018 - 17:12
Walt Cunningham hoped the parachutes had opened.

Orionid Meteor Shower: Leftovers of Halley's Comet

22 October, 2018 - 16:07
The Orionid meteor shower, made up of remnants of Halley's Comet, peaks in mid-October.

The Next Battleground: What Do We Really Know About What Adversaries Do in Space?

22 October, 2018 - 13:37
As the Pentagon moves to stand up a U.S. Space Command and Congress debates whether it makes sense to create a Space Force, a central focus is to defend satellites from orbital weapons that would seek to damage or destroy U.S. assets in space.

Why We Need Cosmic Inflation

22 October, 2018 - 13:25
The "vanilla" Big Bang model, without any other additions or amendments, can't explain all the observations. Here's how it might have worked.

NASA's OSIRIS-REx Checks for Collision Hazards As It Nears Asteroid Bennu

22 October, 2018 - 13:22
After a huge team of engineers has spent years building a $800 million spacecraft, you want to be sure the craft doesn't bang into anything before it even gets a chance to start work in earnest.

Hubble Space Telescope Nearly Ready for Action Again

22 October, 2018 - 12:33
It looks like NASA's famous Hubble Space Telescope has recovered from the glitch that knocked the observatory offline more than two weeks ago.

Exoplanet Hunters Have a New Plan to Spot Hidden 'Migrating' Worlds

22 October, 2018 - 11:42
There's a telescope that can see thick rings of dust in distant star systems. And researchers want to use its data in a new way to spot hidden and migrating exoplanets.

Tiny Cubesat Snaps Photo of Mars for 1st Time Ever

22 October, 2018 - 11:00
A tiny Mars-approaching spacecraft has snapped a photo of its target, marking the first time that a cubesat has ever captured an image of the Red Planet.

Interstellar Object 'Oumuamua's Surprise Arrival Still Thrills Scientists One Year Later

22 October, 2018 - 10:52
A year ago, astronauts spotted a strange object barreling through our solar system on a very weird path — the first discovery of an interstellar object, now called 'Oumuamua.

Roscosmos to Complete Soyuz Accident Investigation This Month

22 October, 2018 - 08:33
The final report into the launch failure that forced the abort of a crewed Soyuz spacecraft is scheduled for completion by the end of the month, the Russian state space corporation Roscosmos announced Oct. 20.

2018 Full Moon Calendar

22 October, 2018 - 08:00
The full moon happens once a month. Find out when.

NASA Tests Astronaut Survival Systems for Orion Splashdowns

22 October, 2018 - 07:46
NASA and the U.S. Air Force recently tested astronaut survival systems for the first time since the space shuttles stopped flying in 2011.

Salty Martian Water Could Have Enough Oxygen to Support Life

22 October, 2018 - 07:18
Some pockets of salty water buried just beneath the Martian surface could have enough oxygen to support microbes, and perhaps even simple animal life such as sponges, a new study suggests.

New Book Showcases the Incredible Women of 'Star Wars'

21 October, 2018 - 14:00
Last Thursday (Oct. 4) at Comic Con, author Amy Ratcliffe discussed her new book "Star Wars: Women of the Galaxy" at a panel moderated by voice actor Ashley Eckstein.

'First Man': A New Vision of the Apollo 11 Mission to Set Foot on the Moon

21 October, 2018 - 14:00
The Apollo 11 lunar landing was the first time humans stepped on another celestial body, and the events leading up to that historic moment – which celebrates its 50th anniversary next year – are depicted in the new movie First Man, out in cinemas today.

Welcome to Space! BepiColombo Spacecraft Headed to Mercury Snap 1st Photo

21 October, 2018 - 13:53
The European-Japanese BepiColombo mission captured its first photo on Saturday (Oct. 20), a day after lifting off from French Guiana. The image is a selfie showing a solar array and an insulation-wrapped sun sensor.

Here's How to Watch International Observe the Moon Night 2018 Online Tonight!

20 October, 2018 - 15:23
Oct. 20 is International Observe the Moon Night, an annual celebration allowing people all over the world to enjoy the science and beauty from looking at our closest neighbor. Two livestreams will allow you to participate online.

BepiColombo's Path: Why Does It Take So Long to Get to Mercury?

20 October, 2018 - 14:54
The European and Japanese space agencies launched their first mission to Mercury yesterday, but now, the mission's engineers and admirers have to endure a seven-year wait before the project's science begins in earnest.