Carnegie Institution for Science, Washington, D.C., Author at Astronomy.com

When it comes to brown dwarfs, “how far?” is a key question

Exoplanets, Planets

Young super-Jupiter found wandering without a parent

Cosmology, Exotic Objects, Galaxies

Tiny ancient galaxy preserves record of catastrophic event

Rotational clock for stars needs recalibration

Exoplanets, Exotic Objects, Planets, Stars, The Sun

Solar system formation doesn’t mean a thing without that spin

Exoplanets, Planets, Stars

Lab mimicry opens a window to the deep interiors of stars and planets

Ancient super-bright quasar with massive black hole found

Tail discovered on long-known asteroid

Alien Life, Solar System

Earth’s water is older than the Sun

Mysterious quasar sequence explained

Alien Life, Stars

First evidence for water ice clouds found outside solar system

Very distant galaxy cluster confirmed