Our Sun is a middle aged, average star sitting in an unremarkable corner of the Milky Way. It fuses hydrogen into helium at its core, bathes its planets in light and heat, and has been doing so for around 4.6 billion years. Nothing about it immediately suggests a dramatic past. But look closer, and the questions start to stack up.
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Is the Universe Defective? Part 2: The Persistence of Memory
This is Part 2 of a series on topological defects. Read Part 1.
Deep underground, a telescope may soon detect ghosts of stars that died before Earth existed
With the help of an extremely powerful telescope deep underground in Japan, astronomers may be able to catch a glimpse of ghost particles from long-dead stars.
Astrophotographer spends nearly 70 hours capturing a delicate blue nebula in Orion (photo)
Astrophotographer Emil Andronic captured a gorgeous blue reflection nebula glowing inside the red clouds of Orion's Head in the constellation Orion.
A state of matter last seen just after the Big Bang may exist inside neutron stars — and scientists think they can prove it
As binary neutron stars spiral around each other to merge, their gravitational tidal forces distort each other's shape and structure, potentially revealing clues as to what lies within them.
The Seven Hour Explosion Nobody Could Explain
Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energy than the Sun will emit across its entire ten billion year lifetime. Most are over before you've had time to register them, gone in seconds, minutes at most. So when something arrived on 2 July 2025 that kept going for seven hours, fired three distinct bursts spread across an entire day, and then left behind an afterglow lasting months, astronomers knew immediately they were looking at something completely new.
NASA's DART Mission Also Changed Didymos' Orbit Around Sun
NASA’s Double Asteroid Redirection Test (DART) spacecraft impacted the asteroid moonlet Dimorphos, which orbits the larger asteroid Didymos, in September 2022. The purpose of this mission was to test the kinetic impactor method, a potential strategy to alter the orbit of asteroids so they don't pose a threat to Earth. The test was a success, as images taken by the Italian Space Agency’s LICIACube (which traveled alongside the DART mission) after the impact showed. Combined with Earth-based observations, these confirmed that the moonlet's orbit changed noticeably.
Is the Universe Defective? Part 1: The Good Old Days
This is Part 1 of a series on topological defects.
Two days, two coasts, two more SpaceX Starlink batches launched
Two SpaceX Falcon 9 rockets carrying Starlink satellites were launched from Vandenberg Space Force Base in California and Cape Canaveral Space Force Station in Florida on March 13 and 14, 2026.
This Week In Space podcast: Episode 201 — Born to Explore
On Episode 201 of This Week In Space, Rod Pyle and Tariq Malik are joined by Jay Gallentine to talk about former Jet Propulsion Laboratory (JPL) manager John Casani.
The Universe's Most Powerful Particle Accelerators Were Here All Along
Picture a vast invisible doughnut wrapped around a planet, filled with electrons and protons hurtling around at extraordinary speeds. That's a radiation belt, and if your planet has a magnetic field strong enough to trap particles from the solar wind, chances are it has one.
Get cleaner photos of the night sky by using these tips to clean your camera lens without scratching it
Follow these tips for cleaning the different parts of your camera lens, without risking damage.
Boys from the Dwarf: Looking back at 'Red Dwarf', the sci-fi show that had a huge impact on my childhood
Red Dwarf's scouse technician Dave Lister was the last human alive, a down-on-his-luck slobbish space-hero long before Peter Quill guarded the galaxy.
Why are some stars always visible while others come and go with the seasons?
So, why is it that Orion is not always visible in the night sky, and certainly not in the same location month after month, while the Big Dipper always is?
Galaxy season: Spring brings deep space wonder to the northern hemisphere night sky
Spring skies reveal some of the best galaxies visible to backyard telescopes.
NASA Administrator teases further Artemis program updates in one-on-one interview
NASA Administrator Jared Isaacman (right) speaks with Spaceflight Now Reporter Will Robinson-Smith (left) at NASA’s Kennedy Space Center to discuss the Artemis program and other agency initiatives. Image: John Pisani/Spaceflight Now
NASA has it’s sights set on launching the Artemis 2 mission no earlier than April 1. The determination came following the conclusion of a two-day, agency-level review of the Moon-bound flight, which took place at NASA’s Kennedy Space Center in Florida.
Arizona's Meteor Crater is still revealing new secrets 50,000 years later
Arizona's Meteor Crater remains 'the perfect natural laboratory' for studying what happens when meteors strike Earth, scientists say.
Hubble and NASA space telescopes track 'game-changing' gamma-ray burst back to neutron star collision in 'forbidden' region of the universe
Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.
NASA ready for another shot at launching Artemis 2 moon mission
Technicians and engineers perform prelaunch work on the Space Launch System rocket and Orion spacecraft inside the Vehicle Assembly Building on Feb. 26, 2026. Image: Adam Bernstein/Spaceflight Now
NASA plans to haul its Artemis 2 moon rocket back out to its seaside launch pad next week to ready the huge booster for blastoff as early as April 1 on a delayed-but-historic flight to send four astronauts on a nine-day trip to the moon, the agency announced Thursday.
Sci-fi shooter 'Marathon' comes to life in hilarious marketing prank (video)
It's just a prank, bro!
A Glorious Spiral of Star Formation
To understand how stars form, astronomers need to watch the process play out in galaxies. That simple fact is behind PHANGS, the Physics at High Angular resolution in Nearby GalaxieS survey. It's a large-scale, multiwavelength, multitelescope survey of dozens of nearby spiral galaxies. Its targets are galaxies close enough that star-forming features like giant molecular clouds (GMCs), HII regions, and stellar clusters can be resolved.
