Scientists investigate “hycean” exoplanets with hydrogen-rich atmospheres and liquid water oceans, challenging traditional definitions of habitability.
Subaru Telescope shatters limit, observes supermassive black holes in the early Universe
Scientists have only observed supermassive black holes one billion years after the Big Bang, but astrophysicists have now breached this barrier.
Understanding gravitational waves: Ripples in spacetime explained
The universe is ringing with gravity, but humanity is only just beginning to hear the nuance of this cosmic symphony.
Time ran slowly in the early Universe, just as Einstein predicted
Using quasars as ticking cosmic clocks, scientists took a journey back in time, discovering time progressed five times slower just after the Big Bang.
JWST provides unprecedented look at exoplanet WASP-39b
New observations of WASP-39b with the JWST has provided the clearest, most detailed picture of an exoplanet to date.
Upper mass limit of massive stars revisited
Physicists at the Gemini Observatory have found a new mass limit for massive stars, and found it to be lower than previously thought.
Is the Universe running out of stars?
Astronomers are discovering that the rate of star formation in the universe is dropping, and they want to know why.
Neptune’s unexpectedly cool summer
A compilation of data gathered over the last 20 years shows a surprising drop in global temperatures on Neptune.
Steven Hawley: “I’ve always enjoyed the progress we made”
Astrophysicist and retired NASA astronaut Steven Hawley takes us through his fascinating career.
Dark matter could be composed of primordial black holes
A new theory for the origin and nature of dark matter resolves some inconsistencies between cosmological predictions and astronomical data.