Elusive Cosmic-Ray Electron Detections Reveal Mysterious Source Close to Our Solar System
New insights into the origins of high-energy cosmic-ray electrons point to a mysterious source close to our solar system.
cosmic rays
Scientists Now Have a Way to Protect Future Martian Colonists from These Interstellar Killers
Scientists have discovered the simplest and most effective materials for protecting future Martian colonists from deadly cosmic rays.
Two Million Years Ago, an Encounter between the Sun and Something Outside the Solar System Altered All Life on Earth
Two million years ago our Sun collided with something from outside our Solar System, potentially affecting all living things on Earth.
New Plasma Instability Discovery Could Revolutionize Our Understanding of Cosmic Rays
Scientists in Germany report the discovery of a new plasma instability could potentially upend our current understanding of cosmic rays and their origins.
Astronomers Baffled By Mysterious Ultra-High Energy Cosmic Ray Coming from Nearly Empty Void in Space
An international team of researchers says they have detected an ultra-high energy cosmic ray originating from a nearly empty void in space.
Anomalous “Tracks” in Astronomical Imagery Originally Dismissed as Noise Could be Something Else Entirely
A perplexing series of tracks that astronomers first dismissed as noise appear to be something else entirely.
Is `Oumuamua a Hydrogen-Water Iceberg?
Was `Oumuamua a hydrogen-water iceberg? Harvard Astronomer Avi Loeb weighs in on a recent paper on the mysterious interstellar space object.
Will Cosmic Rays Reveal the Secrets of the Pyramids?
A team of researchers is planning to use cosmic rays to look deeper into Egypt’s Great Pyramid than ever before.