Space.com19h
How the James Webb Space Telescope is helping size up tiny dwarf planets
The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.
Space.com22h
New research on 'Death Star' that looks like a cosmic pinwheel reduces gamma-ray burst threat to Earth
The "cosmic pinwheel" that astronomers feared could one day shower Earth with lethal gamma rays may not be as dangerous as ...
Chip Chick on MSN2d
The James Webb Space Telescope Found An Ancient Disk Of Gas And Dust That Should've Disappeared Long Ago
When astronomers pointed the James Webb Space Telescope (JWST) at a young red star in the constellation Columba, they noticed […] ...
The 1960s Tech Keeping NASA’s Voyager Probes Alive for Nearly 50 Years
Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...
Live Science3d
4 tiny, Earth-like planets found circling 2nd-closest star system to us — and could be visited by future human generations
A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...
Astronomy3d
Inside radioisotope generators, the ‘nuclear batteries’ that power faraway spacecraft
How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...
Scientific American4d
Newfound Exoplanets around Barnard’s Star Resolve Long-Standing Astronomical Quest
Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...