All supernovae are massively energetic stellar explosions. The classic supernovae are massive stars that explode near the end of their lives, leaving behind either a neutron star or a black hole, and a remnant made of expanding gas and dust. But supernovae are not all the same. Some occur in binary systems, and they're called Type 1a supernovae. As it turns out, some of these Type 1a SNe can detonate twice.
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James Gunn's sci-fi movies ranked, worst to best
With Superman on its way, we take a look at director James Gunn's incredible slate of sci-fi movies to date.
Best Fujifilm lenses in 2025: Level up your Fujifilm camera this Amazon Prime Day
Want to make the most of your Fujifilm camera? We've rounded up the best Fujifilm lenses, now with expected savings on Amazon Prime Day this July 8.
See the bright star Spica close to the waxing gibbous moon on July 3
Spica is a binary star system that orbits over 250 light-years from Earth within the Milky Way.
Best Fujifilm cameras 2025: Save big on these models this Amazon Prime Day.
These are the best Fujifilm cameras from beginner to professional grade, with some models potentially falling in price on Amazon Prime Day from July 8 to 11.
Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields
Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields
ESA tracks rare interstellar comet
Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System.
How to see China's Tiangong space station and the ISS in the predawn sky this week
The International Space Station and China's Tiangong Space Station will be visible for early risers. Here's how to make a dual sighting.
'An exceedingly rare event': See a pair of nova explosions shining in the southern sky this week.
Both novas will eventually become too dim to see, even under the darkest skies. So catch them while you can!
Rare breed of exploding star discovered by citizen scientists in cataclysmic find
With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.
Early Amazon Prime Day big saving on the Celestron NexStar 8SE — the cheapest price it's been since January
Save $200 on the best telescope for viewing the planets — the Celestron NexStar 8SE has a huge discount this Prime Day
ULA begins stacking its 1st Vulcan rocket supporting a national security mission
United Launch Alliance (ULA) hoists its Vulcan first stage booster into the Vertical Integration Facility-G (VIF-G) adjacent to Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida, on Oct. 22, 2024. The rocket will launch the USSF-106 mission for the U.S. Space Force’s Space Systems Command, Vulcan’s first national security flight. Image: United Launch Alliance
A little more than a week after its most recent Atlas 5 rocket launch, United Launch Alliance rolled a Vulcan booster to the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida on Wednesday morning to begin stacking its first post-certification Vulcan rocket.
See Vega-C rocket's 3rd stage hoisted for upcoming launch | Space photo of the day for July 3, 2025
The Zefiro-9 was hoisted in preparation for the Vega-C flight VV27.
Watch Russia's Progress 92 cargo ship launch toward the ISS today
A Russian Progress cargo spacecraft will launch toward the International Space Station this afternoon (July 3), and you can watch the action live.
The best Fourth of July and early Amazon Prime Day space tech deals on the market
These are our picks of the best space tech deals you can get ahead of Fourth of July and Amazon Prime Day with offers on telescopes, star projectors and more.
New interstellar comet 3I/ATLAS is hurtling through the solar system — and you can watch it live online today
3I/ATLAS is the third-ever interstellar object discovered.
Earth is farthest from the sun today. So why is it so hot?
Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.?
In the Search for Earth-like Worlds, We Should Probably Focus on Red Dwarfs
When astronomers first discovered exoplanets, they found massive ones orbiting large stars. The technology to detect smaller planets around low-mass, dim red dwarfs took time to develop. By the mid-2000s, HARPS (High Accuracy Radial velocity Planet Searcher) was specifically targeting M dwarfs and in 2009 discovered the least massive exoplanet at the time.
Weather Satellites Can Even Study the Weather Over on Venus
In 2014 and 2016, the Himawari-8 and -9 satellites were launched into orbit. Owned and operated by the Japan Meteorological Agency (JMA), these satellites monitor global weather patterns and atmospheric phenomena using their multispectral Advanced Himawari Imagers (AHIs). In a recent study, a team led by the University of Tokyo presented infrared images that capture changes in Venus' atmosphere, revealing unseen temperature patterns in its cloud tops. The results show that meteorological satellites can complement observations of Venus' atmosphere by robotic missions and ground-based telescopes.
Inbound: Astronomers Discover Third Interstellar Object
Astronomy news always seems to break over coffee, on laptop startup. That was the case Wednesday morning, when word of a curious new object started flashing across the message boards.
Tianwen-2 Looks Back at the Earth
China's Tianwen-2 probe continues on its journey to rendezvous with a Near-Earth Asteroid (NEA) before heading to the Main Asteroid Belt. The second in China's interplanetary exploration program (which translates to "Questions to Heaven"), this mission will obtain samples from asteroid 469219 Kamoʻoalewa and return them to Earth. From there, China plans to send the probe to rendezvous with the Main Belt comet 311P/PANSTARRS to explore it using its 11 onboard instruments. Yesterday, the Chinese National Space Agency (CNSA) released images the probe took of Earth and the Moon.
