Binary stars are known to transfer mass to one another. In extreme cases, mass transfer can even cause a supernova explosion. That happens when a white dwarf draws matter from a companion.
Space News & Blog Articles
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Astronomers keep finding new moons of Jupiter and Saturn
Astronomers have found four new moons orbiting Jupiter and 11 new moons around Saturn.
US Space Force moves GPS launch to SpaceX Falcon 9 due to Vulcan rocket glitch
The U.S. Space Force has swapped rockets for an upcoming GPS satellite launch, moving to a SpaceX Falcon 9 while the investigation into an anomaly with ULA's Vulcan Centaur continues.
Love Project Hail Mary? Here are the Andy Weir books you need to read
Has Project Hail Mary left you craving more of Andy Weir's work? We've rounded up the best of Andy Weir's sci-fi books, from The Martian to Artemis.
Fascinating Facts About the Milky Way Galaxy
The Milky Way is the galaxy that contains our Solar System. The name "Milky Way" comes from its appearance as a dim glowing band arching across the night sky, in which the unaided eye cannot distinguish individual stars.
This Super-Puff Planet is Hiding its True Nature Behind Thick Haze
There are some strange types of exoplanets out there with no counterparts in our Solar System. One of those types is super-puff planets. These oddballs have radii larger than Neptune, but only have a few Earth masses. This means they have large volumes and low density. How this peculiar type of exoplanet forms is unclear, and current models of gas giant formation can't account for them.
Hubble Space Telescope accidentally witnesses comet C/2025 K1 (ATLAS) breaking apart
NASA's Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.
Northern lights may be visible in 18 states tonight and over the weekend
Auroras may be visible from Alaska to Illinois tonight and over the weekend as several coronal mass ejections and fast solar wind impact Earth.
Rocket Lab scores $190 million launch deal to test hypersonic tech for US military
Rocket Lab has inked a $190 million contract with the U.S. Department of Defense for 20 launches of the company's suborbital HASTE rocket.
Artemis 2 moon rocket rolls back to launch pad | Space photo of the day for March 20, 2026
NASA's Space Launch System rocket was back on the move overnight ahead of its second mission to the moon, which will be the first time the vehicle carries a crew.
Artemis II rolls again
Image: Artemis II rocket back at its launchpad after a second rollout at NASA's Kennedy Space Center
NASA's Artemis 2 moon rocket arrives back at the launch pad
NASA's SLS rocket is back at the launch pad as the space agency gears up to launch Artemis 2 astronauts on a mission around the moon next month.
Northern lights could get a boost from the spring equinox this weekend — here's why
Incoming solar storms could spark auroras this weekend and thanks to the spring equinox, Earth is perfectly aligned to amplify the show.
SpaceX launches 25 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
File: A SpaceX Falcon 9 rocket stands in launch position at Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base at sunset. Image: SpaceX
Update March 20, 6:14 p.m. EDT (2214 UTC): SpaceX adjusted the T-0 liftoff time.
NASA won't give up hope on silent MAVEN Mars probe: 'We're still looking for it'
NASA has not reestablished contact with its MAVEN Mars orbiter since a planned communications blackout ended Jan. 16.
The Sun’s Long-Lived Active Regions Are Massive Flare Factories—But We Don’t Know Why
Space weather is a fascinating subject, but one we still have a lot to learn about. One of the main components of it is the active regions (ARs) of the Sun. These huge concentrations of magnetic fields show up throughout the Sun’s photosphere and are the primary source of solar flares and coronal mass ejections (CMEs). They can be simple pairings of magnetic flux or huge, magnetically complex tangles that spend weeks creating massive solar storms before dissipating. But tracking the longest lived of these ARs has been a headache for solar physicists, and a recent paper by Emily Mason and Kara Kniezewski, published in The Astrophysical Journal, both dives into this tracking problem and uncovers some interesting features of the Sun’s most persistent ARs.
Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo
A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught the "echo" of this gamma-ray burst.
Rubin Observatory Detects Record-Breaking Asteroids
The Rubin Observatory has detected thousands of new asteroids, including several that spin a lot faster than expected for typical rubble piles.
3 weeks and 3 cargo departures for εpsilon
Video: 00:01:57
This video was published on social media by ESA astronaut Sophie Adenot with the following caption:
