In 1960, legendary physicist Freeman Dyson published his seminal paper "Search for Artificial Stellar Sources of Infrared Radiation," wherein he proposed that there could be extraterrestrial civilizations so advanced that ...
Astronomy
Sep 21, 2023
4
122
Life around an ill-tempered red dwarf star is no fun for accompanying newborn planets. Call it a baptism of fire. Entangled magnetic fields cause a red dwarf to spit out "super-flares" that are 100 to 1,000 times more powerful ...
Astronomy
Jul 27, 2023
0
165
An international team of astronomers reports the discovery of two new sub-Neptune exoplanets using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound alien worlds, designated TOI-2084 b and TOI-4184 b, orbit ...
An international team led by Stefan Pelletier, a Ph.D. student at Université de Montréal's Trottier Institute for Research on Exoplanets have made a detailed study of the extremely hot giant exoplanet WASP-76 b.
Planetary Sciences
Jun 14, 2023
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89
A team of astronomers has used observations from the Hobby-Eberly Telescope (HET) at The University of Texas at Austin's McDonald Observatory to discover some of the longest tails of gas yet observed escaping a planet.
Astronomy
Jun 7, 2023
0
243
Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a new "warm Jupiter" exoplanet. The newfound alien world, designated TOI-1859 b, orbits its parent star on an eccentric and misaligned ...
In the past 30 years, more than 5,000 planets have been discovered outside our solar system. One common exoplanet is the lava world, a hot super-Earth with oceans of liquid lava. Mantas Zilinskas developed models to simulate ...
Astronomy
May 23, 2023
0
24
The massive Kepler survey found a treasure trove of exoplanets. But in all that wealth they found three anomalies: what appeared to be rings of dust surrounding stars where planets should be. They were rocky planets in the ...
Astronomy
Apr 10, 2023
0
47
Astronomers are currently searching for signs of life in the "habitable zones" of nearby stars, which is defined as the band around a star where liquid water can potentially exist. But a recent paper argues that we need to ...
Astrobiology
Apr 10, 2023
1
33
As tragic as it is, engulfment of a planetary object by its stellar parent is a common scenario throughout the universe. But it doesn't have to end in doom. A team of astrophysicists have used computer simulations to discover ...
Astronomy
Mar 7, 2023
0
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