Scientists find closest star to the Milky Way's central black hole
Star, moving at 8% the speed of light, may let us measure the black hole's rotation.
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The ultimate eclipse chase: A Concorde raced against the Moon's shadow
Fitted with telescopes, the plane did our longest imaging of the Sun's corona.
The world's biggest solar telescope caught vortexes on the Sun's surface
We expected them to be there, but they had previously been too small to see.
Research roundup: 6 cool science stories we almost missed
Also: Cyborg diving suits for cockroaches, why sleepy sperm whales blow bubbles, Betelgeuse's companion star.
We've seen helium baked off a rocky exoplanet's atmosphere
If the large, rocky planet is losing helium, then we can infer what is left behind.
A Jupiter-size planet that escaped its star's death
It's unclear how the planet avoided its star's bloated red giant stage.
The missing 500 million: Cosmic bombardment melted Earth's first crust
The heat of the Hadean may have come from impacts as well as the interior.
Visiting the stars (and planets, and telescopes) in VR
Walkthrough experience includes visits to stars, exoplanets, and observatories.
Astronoby v0.10.0: Lunar eclipses & observational events
It has been a while, but Astronoby just got a brand new release, and it's massive! Let me introduce you to all the new wonders you can reach with As…
Planet orbits so close to its star that their magnetic fields connect
At the right point of the orbit and stellar cycle, the star's chromosphere brightens.
A bold satellite rescue mission came together in record time, but will it work?
"I consider this a success already, just from the fact that we're even going to try this."
Did a medieval flying monk spot Halley's comet, twice? It's complicated
University of Leicester historian thinks Eilmer of Malmesbury saw two different comets: in 1018 and 1066
Stop shipping a 1990s C library to compute planets. Xalen is the pure-Rust, Apache-2.0 replacement for Swiss Ephemeris.
Stop shipping a 1990s C library to compute planets. Xalen is the pure-Rust, Apache-2.0 replacement for Swiss Ephemeris. If your app does astrology,…
"Little red dot" in early Universe is a naked supermassive black hole
The black hole accounts for over two-thirds the mass of the object it inhabits.
JWST maps the weather on a hot gas giant 700 light-years away
The differences seen here could be throwing off how we study planetary atmospheres.
Building a Saju (Korean Astrology) Calculator from Scratch in Python
I built a free Korean astrology (Saju) calculator and wanted to share what makes the math interesting. What's Saju? Saju is the Korean tradition of…
Gravitational lens shows a galaxy just 800 million years post-Big Bang
Early galaxy has elements produced by the Universe's first supernovae.