Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan


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Updated: 5 hours 35 min ago

This 13.5-Billion-Year-Old Star Is a Tiny Relic from Just After the Big Bang

Thu, 11/08/2018 - 7:20am
Astronomers think they have identified a star they believe to be about 13.5 billion years old, which would place its birth just after the Big Bang — and it's surprisingly close to us.
Categories: Astronomy

NASA's Sun-Kissing Solar Probe Survives 1st Flyby of Our Star

Thu, 11/08/2018 - 7:00am
NASA's Parker Solar Probe phoned home Wednesday (Nov. 7), confirming that it survived its first record-breaking sun flyby in good condition.
Categories: Astronomy

Future Spacesuits Should Be Beautiful — and Not Just for Space. Here's Why.

Thu, 11/08/2018 - 7:00am
The stereotypical image of an astronaut is shaped by their spacesuit, with its puffy, white body and boxy backpack holding the life-support system.
Categories: Astronomy

Diamond Asteroids: How Bennu and Ryugu Got Their Fancy Shapes

Thu, 11/08/2018 - 6:58am
The striking diamond shapes of the space rocks Ryugu and Bennu — the targets of the sample-return missions Hayabusa2 and OSIRIS-REx, respectively — apparently result from the near-Earth asteroids' rubble-pile composition.
Categories: Astronomy

'Infinite Wonder': Scott Kelly Documents Yearlong Space Mission with New Photobook

Thu, 11/08/2018 - 1:20am
After spending nearly a year on the International Space Station during a record-breaking mission, retired astronaut Scott Kelly knows a thing or two about orbiting the Earth.
Categories: Astronomy

'Infinite Wonder': Photos from Scott Kelly's Year in Space Mission

Thu, 11/08/2018 - 1:20am
Retired NASA astronaut Scott Kelly has released a photobook, "Infinite Wonder," chronicling his 340 days on the International Space Station. Here are some selections from Kelly's time there.
Categories: Astronomy

Best Telescopes for the Money - 2018 Reviews and Guide

Thu, 11/08/2018 - 1:14am
Here are the best telescopes for the money. Our top picks include recommendations for city dwellers, hobbyists and gift -givers, as well as budget picks. Our editors have selected a few of the best options in each of five categories.
Categories: Astronomy

New Book Reveals the Strange and Remarkable History of Space Stations

Wed, 11/07/2018 - 12:59pm
"Space Stations: The Art, Science, and Reality of Working in Space" (Smithsonian Books) is a stunning new book that combines striking images with captivating space history to tell the tale of space stations throughout history.
Categories: Astronomy

Culberson Loses as Democrats Win House; Nelson Losing Senate Re-election

Wed, 11/07/2018 - 12:49pm
The chairman of the House appropriations committee that funds NASA lost his reelection bid Nov. 6 as Democrats won a majority in the chamber, while a leading Senate Democrat on space policy appeared to lose his race for another term.
Categories: Astronomy

This Space Station Air Recycler Could Help Astronauts Breathe Easier on Mars

Wed, 11/07/2018 - 12:48pm
A new life-support system that can recycle breathable air is being installed at the International Space Station, promising to dramatically decrease the amount of water that needs to be brought to the orbital outpost to make oxygen.
Categories: Astronomy

Best Kids' Space Books for the Holidays

Wed, 11/07/2018 - 11:11am
Feed and inspire a kid's thirst for space with these book picks by Space.com's writers and editors.
Categories: Astronomy

Florida Senator Went to Space While in Office, But He May Be Going Home

Wed, 11/07/2018 - 10:37am
Three-term Florida Senator and former astronaut Bill Nelson is trailing in ballot tallies for yesterday's (Nov. 6) election against Republican challenger Rick Scott, who currently serves as the state's governor.
Categories: Astronomy

SpaceX to Build 'Mini BFR' Version of Mars Ship to Fly on Falcon 9, Elon Musk Says

Wed, 11/07/2018 - 9:10am
SpaceX aims to start flight-testing key design components of its Mars-settling spaceship next year, company founder and CEO Elon Musk said.
Categories: Astronomy

Monster Rifts in Comet Tails Are Sculpted By the Sun

Wed, 11/07/2018 - 7:25am
Scientists are one step closer to understanding why some comets have strange dust bands in their tails. The main culprit in this cosmic mystery? Our own sun.
Categories: Astronomy

In Search for Alien Planets, a New Era Will Rise from Kepler's Demise

Wed, 11/07/2018 - 7:20am
The Kepler mission officially ended on Oct. 30, when NASA announced that the spacecraft had run out of fuel and would receive its last commands this week or next — but its legacy will stretch far beyond just the planets it happened to spot.
Categories: Astronomy

New Supercomputer with 1 Million Processors Is World's Fastest Brain-Mimicking Machine

Wed, 11/07/2018 - 7:10am
A supercomputer that "thinks" like a brain can simulate neural activity in real time.
Categories: Astronomy

Why NASA Chose a 'Vanilla Ice Cream' Landing Site on Mars for the InSight Lander

Wed, 11/07/2018 - 7:00am
Sometimes, boring is best — and that's certainly true when you're trying to set a lander down on the surface of Mars, where any eventfulness is likely bad news.
Categories: Astronomy

Technical Glitch Delays Launch of NASA's ICON Satellite on Pegasus Rocket

Wed, 11/07/2018 - 3:54am
A NASA mission to loft a satellite from an airplane to probe Earth's atmosphere at the edge of space has been delayed at least one more day due to a glitch with its rocket that was detected just before launch early Wednesday (Nov. 7).
Categories: Astronomy

Japanese Cargo Ship Departs Space Station. Next Stop: Oblivion.

Wed, 11/07/2018 - 2:55am
A robotic Japanese cargo ship cast off from the International Space Station Wednesday (Nov. 7) for a weekend date with oblivion to wrap up a successful resupply mission.
Categories: Astronomy

Ghostly Orange Light Envelopes Earth During Rare Airglow

Wed, 11/07/2018 - 1:26am
An eerie, marmalade-colored light show made Earth look like a gigantic orange lollipop early this morning (Nov. 7), prompting an astronaut aboard the International Space Station to snap a photo of it to share with Earthlings down below.
Categories: Astronomy