Astronomy
WFIRST Gets its Coronagraph, to Block the Light of Stars and Reveal Their Planets
The coronagraph instrument, which will help NASA's WFIRST mission to search for exoplanets, just passed a major milestone!
This Summer’s Asteroid Near-Miss Helped Greenlight NASA’s NEOCam Mission to Search the Skies for Killer Spacerocks
Last July, a once-in-a-lifetime event happened. Not the good kind; the football-field-sized-asteroid near-miss kind. And that near miss is the…
Lockheed Wins the Contract to Build Six More Orion Capsules
NASA and Lockheed Martin have finalized their contract for the delivery of the 6 to 12 Orion capsules that will…
Messier 92 – the NGC 6341 Globular Cluster
Located in the Hercules constellation, roughly 26,700 light-years from Earth, is the globular cluster known as Messier 92.
Elliptical Galaxy Messier 110 Has a Surprising Core of Hot Blue Stars
Messier 110 (NGC 205) is a satellite of the Andromeda Galaxy. It's a dwarf elliptical galaxy, a common type of…
Rosetta Saw Collapsing Cliffs and Other Changes on 67P During its Mission
It seems that comet 67P/Churyumov–Gerasimenko is not the stoic, unchanging Solar System traveller that it might seem to be. Scientists…
Enceladus Causes Snowfall On Other Moons of Saturn
Radar evidence shows that geysers on Enceladus are ejecting water that turns to snow. The snow not only falls back…
Yes, This is Actually the Shadow of Io Passing Across the Surface of Jupiter.
The JunoCam onboard NASA's Juno spacecraft continues to provide we Earthbound humans with a steady stream of stunning images of…
The Most Massive Neutron Star has been Found. It’s ALMOST the Most Massive Neutron Star That’s Even Possible
Neutron stars are the end-state of massive stars that have spent their fuel and exploded as supernovae. There's an upper…
Could We Intercept Interstellar Comet C/2019 Q4 Borisov?
A recent study by members of i4is shows how we could intercept future interstellar visitors using existing technology.