Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm whether aliens have made contact with Earth.
New simulations reveal that the moons of Uranus may retain traces of giant planets.
The detonation of the New Glenn rocket resulted in a huge fireball in Florida, and may have long-term implications for the company’s ambitions.
The project’s first mission could arrive as soon as this year, with a little help from Blue Origin.
NASA took advantage of the recent close approach of the Psyche probe to Mars to calibrate its observation instruments.
Once dismissed as empty expanses between galaxies, cosmic voids are becoming one of the most promising tools for probing the universe’s biggest mysteries.
On May 18, an asteroid about the size of Chicago’s Cloud Gate will fly four times closer to Earth than the moon.
This is the first time NASA has encountered a situation like this, and it took nearly a week to resolve.
The Defense Department has released a new trove of declassified documents about government UFO sightings.