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First Quarter Moon near Saturn

Best Night Sky Events of November 2019 (Stargazing Maps)

By Chris Vaughan

See what's up in the night sky for November 2019, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.

The Tycho Type IA supernova remnant, as imaged by NASA's Chandra X-ray Observatory. Low-energy X-rays (red) in the image show expanding debris from the supernova explosion and high energy X-rays (blue) show the blast wave, a shell of extremely energetic electrons.

Why Dead Stars Go Boom: Scientists Eye Mechanism Behind Supernova Explosions

By Mike Wall

The secret hearts of exploding stars are being dragged out into the light.

An artist's impression of a black hole. In a new study, scientists identify a black hole in a non-interacting binary with a star, a discovery that could support future black hole findings.

Scientists Just Found a 'Needle in the Haystack' Black Hole Once Hidden From View

By Chelsea Gohd

Scientists have discovered a black hole that has been hiding in the dark.

A pumpkin dressed up as the planet Saturn gobbles down a small replica of the Cassini spacecraft in this photo from NASA's annual pumpkin carving contest at the Jet Propulsion Laboratory in Pasadena, California. The Cassini spacecraft executed a death dive into Saturn on Sept. 15, 2017.

Watch Live @ 3 pm ET: NASA Talks 'Galaxy of Horrors' in Special Halloween Webcast

By Space.com Staff

In a special Halloween event today (Oct. 31) at 3 p.m. EDT (1900 GMT), NASA experts will discuss some of the weirdest alien worlds and other spooky stuff across the universe. Watch it live here!

Outflows of radiation and particles from a massive O-type star carved deep gouges in this nebula, making the cloud of gas and dust look like a spooky jack-o'-lantern.

It's Halloween! NASA Space Telescope Spots a Ghostly Cosmic Jack-O'Lantern

By Samantha Mathewson

NASA's Spitzer Space Telescope has spotted a cosmic jack-o'-lantern.

This ghostly nebula IC 63, about 550 light-years from Earth, emits hydrogen-alpha radiation and also reflects the cool blue light of the powerful nearby star Gamma Cassiopeiae. The nebula is about 0.31 light-years tall and 0.23 light-years wide.

Pictures from Space! Our Image of the Day

By Space.com Staff

The "Ghost of Cassiopeia" wishes you a happy Halloween!

Star trails swirl over three smiling jack-o'-lanterns in this night-sky photo by amateur astronomer Gowrishankar L.

Halloween Night Sky 2019: Don't Miss These Celestial Treats

By Joe Rao

Skies will be mainly clear tonight (Oct. 31) across the western half of the United States, as costumed kids arrive at the door looking for candy or some other Halloween treat.

This radar image of 2015 TB145, a dead comet, was generated using radar data from the Arecibo Observatory in Puerto Rico. 

On This Day in Space! Oct. 31, 2015: Skull-Shaped Halloween Asteroid Flies by Earth

By Hanneke Weitering

On Oct. 31, 2015, an asteroid shaped like a human skull flew by Earth. See how it happened in our On This Day in Space video series!

An Apollo 11 pumpkin lander approaches the moon in this entry in the 2019 pumpkin carving contest at NASA's Jet Propulsion Laboratory in Pasadena, California. It was one of many space-themed pumpkins this year.

These Space Pumpkins from NASA JPL's 2019 Carving Contest are Just EPIC!

By Tariq Malik

Pumpkins and Halloween always go together. But check out these cosmic gourds from NASA JPL's 2019 carving contest!

Seed pioneers pc gaming

Ambitious Sci-Fi MMO Seed Will Launch A 'Narrative Prequel' Alpha Next Year

By Andy Chalk

Seed Pioneers will launch selected members of the community into space (and likely doom) ahead of everyone else.

Clouds that formed on the crests of gravity waves made their ripples visible to satellites.

These Mesmerizing Images Show 'Invisible Gravity Waves' Rippling Over Australia

By Mindy Weisberger

Satellite images captured a rare glimpse of a phenomenon known as atmospheric gravity waves.

The "super worm moon" of March 21, 2019, rises over Portugal's historic Evoramonte tower.

Orange Supermoon Lights Up a Portuguese Castle in Night-Sky Photo

By Miguel Claro

A "supermoon" rises above Portugal's historic Castle of Evoramonte in this dreamy night-sky photo.

A look at two of the recently installed SuperDraco escape thrusters on SpaceX's Crew Dragon capsule.

Elon Musk: SpaceX to Launch Vital Crew Dragon Escape System Test Soon

By Mike Wall

A crucial flight test of SpaceX's new Crew Dragon astronaut taxi could occur as early as next month, Elon Musk said.

A robot can be your best pal in The Outer Worlds.

Why a Robot Janitor is The Outer World's Best Companion

By Christopher Livingston

He cleans... with extreme prejudice. And he also cleans the kitchen.

NASA astronaut Andrew Morgan shared a trio of images of fires in Northern California on Oct. 30, 2019.

Astronaut Sees Devastating California Wildfires from Space (Photos)

By Meghan Bartels

Northern California is dotted by fires so devastating that their plumes can be seen from space.

The James Webb Web level 3 pumpkin-carving template features the James Webb Space Telescope's giant golden mirror, which consists of 18 individual hexagons. Half of the pattern incorporates a spider web overlay, making it the most difficult of the carving templates.

How to Carve a James Webb Space Telescope Pumpkin for a Very NASA Halloween

By Samantha Mathewson

NASA has shared a trio of templates so you can carve your very own James Webb Space Telescope-themed pumpkin this Halloween.

Two new free, downloadable posters from NASA's Exoplanet Exploration Program feature horrifyingly inhospitable alien planets.

'Galaxy of Horrors!' NASA Posters Highlight Spooky Alien Planets (Video)

By Mike Wall

This Halloween season, NASA wants to open your eyes to the glorious spookiness all around us in the Milky Way galaxy.

Space Books Recommended Reading

Best Space Books and Sci-Fi for 2019

By Space.com Staff

Space.com's editors present a reading list for space and sci-fi lovers, as well as children who are interested in astronomy and spaceflight.

An artist's depiction of the Voyager spacecraft as they journey beyond our sun's influence.

NASA's Voyager Missions Were Amazing. Now Scientists Want a True Interstellar Probe

By Elizabeth Howell

Humanity should consider building an interstellar probe to see our neighborhood from an outside point of view, argued several scientists at a recent conference.

After relaying live communications during the touchdown of NASA's InSight Mars lander on Nov. 26, 2018, the tiny MARCO-B cubesat sent back this farewell image of the Red Planet.

The First Cubesats to Mars Were Almost Lost Upon Arrival

By Elizabeth Howell

After the first cubesats at Mars dropped out of communications hours before the InSight landing on Nov. 26, 2018, the team moved into last-minute rescue mode.