New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent result reinforces it.
Tag: Stars and Galaxies
‘Ultrahigh Energy’ Neutrino Found With a Telescope Under the Sea
It’s the most energetic particle of its kind ever discovered, and scientists have no idea where it came from.
A Solstice of the Soul
For his next trick, your cosmic correspondent for the past quarter-century will (try to) retire.
Barnard’s Star Finally Has a Planet, and Possibly More
For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest find is for real.
Can Axions Save the Universe?
The hunt for dark matter is shifting from particles to waves named after a laundry detergent.
Two Black Holes are Giving the Cosmos a Fright
The ghosts of stars are up to their usual mischief.
Astronomers Spot a Black Hole with a Cosmic Wingspan
Astronomers have discovered a black hole emitting energy in jets longer than the width of 140 Milky Way galaxies.
Chandra Observatory Captures Two Supernovas in (Slow) Motion
For the 25th anniversary of the Chandra X-ray Observatory, NASA produced ghostly time-lapse videos of two centuries-old stellar explosions.
Piping Up at the Gates of Dawn
Astronomers have found the earliest and most distant galaxy yet.
The Magnetic Heart of the Milky Way
A new map of the center of the Milky Way galaxy reveals details of its magnetic fields