Gallery: Space Photos of the Week: This Supernova Ghost's Heart Still Beats
<a href="http://www.nasa.gov/feature/goddard/2016/a-dead-stars-ghostly-glow">NASA/ESA</a>01SPoW-Oct23-29-04.jpg
This supernova exploded long ago, but the heart of the dead neutron star still beats, issuing pulses of energy 6,500 light-years from Earth.
<a href="http://m.esa.int/spaceinimages/Images/2016/10/Youthful_NGC_362">ESA/Hubble & NASA</a>02SPoW-Oct23-29-08.jpg
The Milky Way contains over 150 globular clusters, which each contains hundreds of thousands of stars. This one, NGC 362, is younger than most—only 10-11 billion years old.
<a href="http://www.nasa.gov/feature/jpl/nasa-moon-mission-shares-insights-into-giant-impacts">NASA</a>03SPoW-Oct23-29-05.jpg
The Orientale impact basin on the moon is 580 miles wide, with three distinct rings.
<a href="http://www.eso.org/public/images/eso1638a/">ESO</a>04SPoW-Oct23-29-02.jpg
Each of these massive space objects, or quasars, is surrounded by a gaseous halo.
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Because Saturn doesn’t have a solid planetary surface, its atmosphere can flow across the planet unobstructed.
<a href="http://www.esa.int/spaceinimages/Images/2016/10/Proba-1_view_of_Lena_River_Delta">ESA</a>06SPoW-Oct23-29-07.jpg
The Lena River, shown in this satellite photo, is the 11th longest river in the world, emptying into the Laptev Sea in the Arctic.
Humans Watched This Supernova Explode Nearly a Millennium Ago. Now You Can See It in High Definition
The new image isn’t just stunning—it may also provide clues about how this star survived its own explosion.
Jorge Garay
Astronomers Discover a Possible New Dwarf Planet in Our Solar System
Lying beyond Pluto, 2026 ED138 could be as large as 1,500 kilometers in diameter. Astronomers are still working to confirm whether it meets the criteria for a dwarf planet.
Jorge Garay
How to See the Orionid Meteor Shower and Other Upcoming Astronomical Events
Made up of small fragments left behind by Halley’s Comet, these meteors are known for being especially bright and speedy.
Ritsuko Kawai
Astronomers Confirm Discovery of the Youngest Known Exoplanet Ever
Under 1 million years old, “Elias 2-24b” is now the youngest exoplanet ever observed, and it may force researchers to reevaluate theories about how planets are formed.
Teruyuki Hayakawa
NASA Just Made Nearly 1 TB of Artemis II Data Available to the Public
The data drop includes photographs, audio, video, and astronauts’ notes that will be used to study the moon and prepare for future human missions.
Jorge Garay
The ‘Exotic Physics’ Behind a Mysterious 1,000-Mile Cloud on Mars
The cloud has baffled astronomers since its discovery in 2018. Now, a new study offers a possible cause for its appearance.
Tereza Ondráčková
Inside the Supermassive Debate Over the James Webb Telescope’s ‘Little Red Dots’
The Webb telescope sees tiny red dots everywhere. Astronomers can’t agree on what they are, but some believe they may be enormous stars with black holes inside.
Charlie Wood
Japan Is Attempting an Audacious Mission to Sample a Martian Moon
JAXA is leading an international mission to reach Mars’ Phobos moon and bring soil back to Earth. If successful, it could unlock new clues about the history of the solar system.
Jenna Ahart
Artemis III Scientist Shares What to Expect From NASA’s Next Lunar Mission
Though scaled back from initial plans of landing, the voyage will serve as a dress rehearsal for when humans return to the moon’s surface.
Jorge Garay
Elusive ‘Geoneutrinos’ Are Building a New Map of Earth’s Volatile Interior
A global network of detectors are reporting some of the most substantial measurements yet of neutrinos created deep underground by the radioactive elements that power our planet’s tectonic activity.
James Dinneen
NASA’s Oldest Martian Spacecraft Have Been Running for Decades. Here’s How
Two orbiters have long outlasted their expected lifespans and completely reshaped our understanding of the Red Planet, all while operating 140 million miles from Earth.
Meghan Bartels
Scientists Trapped an Antimatter Particle for Months to Study Its Secrets
These elusive and reactive particles have been challenging to hold on to and even more challenging to study, but a new method paves the way for tests on the differences between matter and antimatter.
Jorge Garay