Most of the diverse elements in the Universe come from supernovae. We are, quite literally, made of the dust of those long-dead stars and other astrophysical processes. But the details of how it all comes about are something astronomers strive to understand. How do the various isotopes produced by supernovae drive the evolution of planetary systems? Of the various types of supernovae, which play the largest role in creating the elemental abundances we see today? One way astronomers can study these questions is to look at presolar grains.
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'Star Trek: Lower Decks' Season 5 episode 3: Why are nanites causing havoc in a luxury space hotel?
"Star Trek" has played around with swarms of microscopic robots before, but never quite like this.
Dark Wolf Nebula shows off a howling good view in awesome Halloween image (video)
Halloween is here, and there is no better way to celebrate than with a blood-curdling image of the Dark Wolf Nebula looking like a cosmic werewolf poised to grab an unwitting victim.
North Korea launches intercontinental ballistic missile to space, reaches record altitude
North Korea test-fired an intercontinental ballistic missile on Wednesday (July 12), shortly after complaining about purported spying activity by the United States.
Dark matter might live in a dense haze around stellar corpses
The extreme qualities of neutron stars could mean these dead stellar remnants gather dense clouds of hypothetical particles called "axions" around them, potentially shedding light on dark matter.
Fight space ghosts as an astronaut cat in spooky Halloween 2024 Google Doodle
Celebrate Halloween with a cosmic new Google Doodle, featuring an astronaut cat vanquishing creepy creatures across Earth's atmosphere.
Astronomers Predict the Orbits of Potentially Hazardous Comets From Meteor Showers
Comets have long been seen as omens and portents, and it’s easy to understand why. They first appear as faint smudges of light in the sky, sometimes fading soon after and sometimes becoming brighter than the planets, with a long, glowing tail. They have been observed throughout human history, but it wasn’t until the eighteenth century that astronomers began to predict the return of some comets. Even today, we can’t predict the return of most comets until after they swing through the inner solar system. If such a comet happens to be heading toward Earth, we wouldn’t know about it until too late. But that could change thanks to our observations of meteor showers.
Comets, supermoon, northern lights, oh my! Amazing photos of the celestial Halloween treats of October 2024
A geomagnetic storm, the largest supermoon of the year, a comet and an eerie fireball were among the skywatching treats that haunted the night sky of October 2024.
Webb and Hubble examine spooky galaxy pair
Stare deeply at these galaxies. They appear as if blood is pumping through the top of a flesh-free face. The long, ghastly ‘stare’ of their searing eye-like cores shines out into the supreme cosmic darkness.
Amazing Reader Views of Comet A3 Tsuchinshan-ATLAS From Around the World
Comet C/2023 A3 Tsuchinshan-ATLAS survived perihelion to become a fine dusk object for northern hemisphere observers.
Astronomer Calculates When van Gogh Painted This
One of my favorite paintings is Starry Night by Vincent van Gogh — for obvious astronomical reasons. But another favorite of van Gogh’s works is Lane of Poplars at Sunset. This painting depicts the setting Sun perfectly aligned with a long lane of trees, casting long shadows.
Spooky Earths seen by Hera’s HyperScout
Image: Spooky Earths seen by Hera’s HyperScout
Europe says farewell to eclipse-making Proba-3
ESA’s solar eclipse-making Proba-3 mission is about to leave Europe, to head to its launch site in India. The mission’s two spacecraft – which will manoeuvre precisely in Earth orbit so that one casts a shadow onto the other – have departed the facilities of Redwire Space in Kruibeke, Belgium. The pair will be flown to the Satish Dhawan Space Centre, near Chennai, for the launch campaign to begin.
Valencia flood disaster
Image: Spain is suffering its worst flood in decades after torrential rains struck the eastern province of Valencia. These satellite images vividly illustrate the dramatic transformation of the landscape.
Happy Heraween!
Video: 00:00:23
Robots in disguise: our Hera asteroid detective plus her CubeSat buddies – Milani the rock decoder and Juventas the radar visionary – dressed up for Halloween!
Artemis V Astronauts Will be Driving on the Moon
In the summer of ’69, Apollo 11 delivered humans to the surface of the Moon for the first time. Neil Armstrong and Buzz Aldrin spent just over two hours exploring the area near their landing site on foot. Only during Apollo 15, 16, and 17 did astronauts have a vehicle to move around in.
Can 'failed stars' have planets? James Webb Space Telescopes offers clues
The James Webb Space Telescope has discovered brown dwarfs at the heart of planet-forming disks in the Orion nebula. The discovery could help reveal if these "failed stars" can have planets.
NASA astronaut snaps spooky photo of SpaceX Dragon capsule from ISS
The Dragon, named Freedom, is flying SpaceX's Crew-9 mission for NASA.
Apollo 11 moonwalker Buzz Aldrin endorses Trump for president
Apollo 11 astronaut Buzz Aldrin, the second person ever to walk on the moon, endorsed Donald Trump in a statement released today (Oct. 30).
Tiny Fragments of a 4-Billion Year Old Asteroid Reveal Its History
In June 2018, Japan’s Hayabusa 2 mission reached asteroid 162173 Ryugu. It studied the asteroid for about 15 months, deploying small rovers and a lander, before gathering a sample and returning it to Earth in December 2020.
Astrophotographer captures comet Tsuchinshan-ATLAS growing an anti-tail (photos)
Astrophotographer Miguel Claro captured Comet C/2023 A3 (Tsuchinshan-ATLAS) from the Dark Sky Alqueva reserve in Portugal on Oct. 13, 2024 as the comet was displaying an 'anti-tail.'
