
A Comet’s Missing Light
On 28 November 2013, comet ISON passed within two solar radii of the Sun’s surface. But instead of shining in extreme ultraviolet light as predicted, ISON was never detected.
On 28 November 2013, comet ISON passed within two solar radii of the Sun’s surface. But instead of shining in extreme ultraviolet light as predicted, ISON was never detected.
Recent simulations have allowed scientists to examine the brutal process of building a galactic halo out of destroyed satellite galaxies.
Recent observations have revealed how solar magnetic fields rearrange themselves, producing the tremendous releases of energy we observe as solar flares and coronal mass ejections (CMEs).
A milestone ALMA discovery represents a first step in understanding the conditions for planet formation that can lead to life-supporting planets like Earth.
The expanding bubble captured in this infrared image is triggering star-formation as it passes.
What’s the punchline from yesterday’s Kepler press conference? Over a thousand new confirmed planets — and a new way to confirm them!
A recent study examines whether our planet’s history of giant impacts is typical for Earth-like worlds.
Can we predict which solar flares will be followed by larger-scale coronal mass ejections?
There’s a new addition to the galaxy zoo: a small, compact, and old elliptical galaxy that shows signs of a monster black hole actively accreting material in its center.
The new record holder for longest-period eclipsing binary is TYC-2505-672-1, an unusual system in which the companion star may be shrouded by a circumstellar disk.
A new study examines how a one-dimensional model can be used to reproduce the multidimensional effects of mixing in supernova remnants.
Can a computer algorithm classify galaxies into ellipticals and spirals as well as Galaxy Zoo’s human volunteers?