While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

NASA Associate Administrator Amit Kshatriya said that despite many rumors about the traveler, it was definitely a comet, not ...

Recent research suggests that our solar system could already be hosting alien probes, potentially observing us from a distance. This idea aligns with a 2023 statement from a Pentagon UFO chief who ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

However, building a new purpose-built craft is unlikely due to the cost. On a cost basis, would it not be more appropriate to do our best to upgrade and convert to the new purpose, the existing ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

Portal Systems' new Supernova satellite will use sunlight and a special 3D printed thruster to heat ammonia to propel itself ...

Spacecraft distributed throughout the solar system, including one launched more than a quarter-century ago and now billions of kilometers from Earth, have detected material spewed into space by a ...

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...

As NASA's Parker Solar Probe spacecraft begins its first historic encounter with the sun's corona in late 2018—flying closer to our star than any other mission in history—a revolutionary cooling ...