The Artemis II astronauts witnessed a solar eclipse from their Orion spacecraft during a historic flyby over the moon. Here's ...

Traveling at an astonishing 209,000 km/h, this interstellar comet is unlike anything ever observed. Scientists now have a ...

If astronauts travelling in Orion – the spacecraft used on Artemis II – receive advance word of a solar storm, they are ...

The SLS did not so much lift from its pad as vault from it, carrying its four-person Artemis II crew—International Space ...

Every mission to deep space is fraught with danger. A hardware failure during launch, an equipment malfunction far from Earth, or a small space rock ...

Look up in April 2026 for Venus and Jupiter, the Lyrids peak, zodiacal light after the new moon, and a short window to catch ...

A new “energy-multiplying” solar breakthrough could push efficiency beyond 100% and transform how we capture sunlight.

Data from NASA's InSight mission suggests the Red Planet's Tharsis region is more active than previously thought and may be why Mars is spinning more quickly over time.

Australian researchers have built an ultra-compact artificial intelligence (AI) chip that is able to make calculations using the power of light, at the speed of light. The nano photonic chip prototype ...

Add Yahoo as a preferred source to see more of our stories on Google. Would it make sense to build a light rail system that takes people from Mendota to downtown Fresno? What about from downtown to ...

There have been plenty of attempts to resolve the "Hubble Tension" in cosmology. This feature describes how one of the most important variables in cosmology, the expansion of the universe, takes on ...