Space Photos: The Most Amazing Images This Week! By Doris Elin Urrutia Here are our picks for the most amazing space photos of the week.
19 Galaxies Are Apparently Missing Dark Matter. No One Knows Why. By Rafi Letzter Nineteen newly discovered dwarf galaxies seem to be missing their dark matter, and physicists aren't sure why.
Evidence of an Alien Planet Spotted Around a White Dwarf, a Cosmic First By Mike Wall For the first time ever, astronomers have spotted evidence of a planet circling a superdense stellar corpse known as a white dwarf, a new study reports.
Hoag's Object Is a Galaxy Within a Galaxy Within a Galaxy (and Nobody Knows Why) By Brandon Specktor Hoag's object, which is a galaxy within a galaxy within a galaxy, has befuddled stargazers since astronomer Arthur Hoag discovered it in 1950.
Radio Telescope Unfurls 3 Antennas Beyond the Far Side of the Moon By Meghan Bartels In a quiet orbit around the far side of the moon, three radio antennas are now outstretched, craning for whispers from a mysterious period early in the universe's history.
A Black Hole Is Boosting Star Birth in Multiple Galaxies from Trillions of Miles Away By Samantha Mathewson While black holes are famously known for devouring any matter that gets too close, these cosmic behemoths may have a nurturing side, too.
This 'Blob' of Radiation Might Be a Long-Lost Neutron Star By Brandon Specktor In 1987, a star exploded, creating the brightest supernova to light up Earth's skies in 400 years. That star's corpse has been missing for 30 years. Now, researchers think they've found it.
Physicists Just Created the Most Detailed Simulation of the Universe in History By Tim Childers An international team of scientists has created the most detailed large-scale model of the universe to date, a simulation they call TNG50.
The Most Powerful Explosions in the Universe Emit Way More Energy Than Anyone Thought By Charles Q. Choi Gamma-ray bursts, the most powerful kinds of explosions known in the universe, can generate even more energetic light beams than astronomers previously realized, according to a set of new studies.
Mira, the Pulsing 'Wonderful Star,' Flashes into Sight This Week By Joe Rao This week, the variable star Mira reaches its highest point, roughly halfway up in the southern sky at around 10 p.m. local time.
This Is How Light May Have Escaped from the Earliest Galaxies, Turning the Universe Transparent By Yasemin Saplakoglu An intervening cluster of galaxies acts like a cosmic microscope and bends and magnifies light from a distant galaxy.
A Star Ejected from the Milky Way's 'Heart of Darkness' Has Reached a Mind-Blowing Speed By Chelsea Gohd As humankind's ancestors were learning to walk upright, a star was launched from the supermassive black hole at the center of our galaxy at a staggering 3.7 million mph (6 million km/h).
Why Astronomers Worry About the Brightness of SpaceX's Starlink Satellite Megaconstellation By Meghan Bartels SpaceX is planning to launch the second installment of its Starlink megaconstellation on Monday (Nov. 11), and astronomers are waiting to see — well, precisely what they will see.
NICER Telescope Spots Brightest X-Ray Burst Ever Observed By Chelsea Gohd The brightest X-ray burst ever observed by NICER released as much energy in 20 seconds as our sun does in about 10 days.
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.
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.
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.
These Weirdo Stellar Corpses Have Creamy Centers Filled with Exotic Quantum Liquids By Paul Sutter Physicists have figured out what's lurking inside of white dwarfs, revealing the stellar corpses are creamy and filled with exotic quantum liquids.
Space Ghost! Spooky Face with Glowing Eyes Glares at Us All in This Creepy Hubble Photo By Hanneke Weitering A ghastly face with glowing eyes glares in deep space in a new image from the Hubble Space Telescope.
NASA's James Webb Space Telescope Passes Vital Sun Shield Test By Samantha Mathewson NASA's James Webb Space Telescope has passed a major milestone with a successful test of the spacecraft's sun shield.
