Comparing Black Holes Large and Small
Are the distant supermassive black holes that feed at the centers of galaxies just scaled-up versions of small accreting black holes nearby?
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Today’s Forecast for K2-18b: Cloudy with a Chance of Rain?
A recent study used the abilities of the Hubble Space Telescope to discover water vapor on an exoplanet!
Faint Repetitions of an Extragalactic Burst
The mystery of fast radio bursts deepens with the discovery of faint repeat bursts from a source thought to be a one-off event.
Confirming New Physics in Space
Not all laboratory astrophysics occurs in labs down here on Earth; sometimes, the lab is in space!
Giant Planets in a Post-Apocalyptic Solar System
How will the giant planets of our solar system fare after the Sun evolves into a white dwarf?
Selections from 2019: Habitable Zone Narrows for Complex Life
Recent work suggests that the number of planets able to support complex life may be much smaller than we initially thought.
Selections from 2019: Connecting the Universe’s Large and Small Scales
New work proposes a connection between small, dense compact objects — some possibly filled with dark energy — and the universe’s growth.
Selections from 2019: Discovery of an Intermediate-Mass Black Hole
Unusual motions in a cloud of gas provide evidence for a 30,000 solar-mass black hole drifting near our galaxy’s center.
Selections from 2019: An Alternative to Planet Nine
The collective gravity of a disk of distant, cold objects in our solar system could provide a natural alternative to Planet Nine.
Selections from 2019: Tracking Variations in Venus’s Clouds
A recent study explores how absorption in Venus’s atmosphere influences the planet’s weather on long timescales.