Science

A Star was Blocking a Galaxy, but Now it’s Moved Enough That Astronomers can Finally Examine What it Was Hiding

One of the biggest puzzles in astronomy, and one of the hardest ones to solve, concerns the formation and evolution…

2 years ago

Astronomers Detect the Faint Glow of Stars in Between Galaxies

Not all stars are members of galaxies. Some stars exist in the space between galaxies, though they didn't form there.…

2 years ago

Nature’s Ultra-Rare Isotopes Can’t Hide from this New Particle Accelerator

A new particle accelerator at Michigan State University is producing long-awaited results. It's called the Facility for Rare Isotope Beams,…

2 years ago

Why ‘Contact’ still resonates after 25 years

25 years ago, the film Contact made its theatrical debut starring Jodie Foster and Matthew McConaughey and told the story…

2 years ago

Andromeda Contains the Remnants of a Recent “Feeding Event”

There's a growing body of evidence that galaxies grow large by merging with other galaxies. Telescopes like the Hubble have…

2 years ago

The Perfect Tidal Tail Connects These two Galaxies Seen by Hubble

Sometimes it's tempting to imagine a supernatural hand behind the arrangement of celestial bodies. But the Universe is big, huge…

2 years ago

Scientists Piece Together the Shoreline of an Ancient Ocean on Mars

Scientists have long suspected that Mars was once warm and wet in its ancient past. The Mars Ocean Hypothesis says…

2 years ago

Arecibo Won’t Be Rebuilt

The National Science Foundation announced last week that it won’t rebuild or replace the iconic Arecibo Observatory in Puerto Rico,…

2 years ago

Webb Sees Organic Molecules in the Hearts of Galaxies, Surprisingly Close to Active Supermassive Black Holes

When the James Webb Space Telescope (JWST) launched, one of its jobs was studying galactic formation and evolution. When we…

2 years ago

How Should the World’s Governments Respond if We Detect an Alien Civilization?

Science fiction is the realm where people traditionally wrestle with the idea of contact with an ETI (Extraterrestrial Intelligence.) But…

2 years ago