Hubble Survey Sets Up Roman’s Future Look Near Milky Way’s Center
This VISTA VVV Survey image shows the galactic bulge near Sagittarius A*, the supermassive black hole at the…
For NASA’s TESS, Stellar Eclipses Shed Light on Possible New Worlds
A study of NASA’s TESS (Transiting Exoplanet Survey Satellite) data on stellar pairs undergoing mutual eclipses has uncovered…
Webb Telescope Resolves Cosmic Identity Crisis Between Planets and Stars
29 Cygni b is a massive object weighing around 15 times as much as Jupiter and with 150…
NASA Finds Young Stars Dim in X-rays Surprisingly Quickly
Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in…
NASA’s Webb Redefines Dividing Line Between Planets, Stars
Planets, like those in our solar system, form in a bottom-up process where small bits of rock and…
Astronomers Just Watched Two Planets Smashing Into Each Other 11,000 Light-Years Away
Rendering of the planetary collision astronomers suspect occurred around star Gaia20ehk in 2021. Credit: Andy Tzanidakis Astronomers have…
Astronomers Watch in Amazement as 2 Planets Smash Into Each Other Around Nearby Star
A seemingly regular, Sun-like star began acting really weird, flickering haphazardly as its light faded in and out.…
How Big Can a Planet Get Without Becoming a Star? JWST Data Solves 20-Year Mystery of Rule Breaking Exoplanets
One way gas giants form is through core accretion, where solid cores gradually grow in a disk by…
This Bizarre Star System Is Inside Out, and Astronomers Aren’t Sure How
Astronomers have discovered a star system that’s out of order, with a late bloomer planet that may have…
The 3-Body Problem Just Got an Upgrade—and You Can Thank Einstein
I’ve yet to meet a physicist that didn’t believe in the beauty of the general theory of relativity—Einstein’s…
A second home in space? This planet is amazingly similar to Earth
Around 146 light-years from Earth, a planet could be orbiting an alien star that is more similar to…
Discovery Alert: An Ice-Cold Earth?
A candidate planet that might be remarkably similar to Earth, HD 137010 b, has one potentially big difference:…