Articles by Astronomy Now

A rare nova explosion, bright enough to see with the naked eye, may be imminent. Astronomers predict the binary star system could erupt as soon as Thursday, March 27.

Saturn’s iconic rings set to vanish this weekend as rare “ring plane crossing” aligns them edge-on with Earth for the first time since 2009.

One of the most significant challenges to the Big Bang hypothesis that emerged recently concerns the abundance of the element lithium.

The Atlas of Moons makes space exploration accessible to everyone, bridging the gap between complex data and public curiosity. This interactive experience brings the solar system’s moons to life, inviting users to explore them up close.

In 2019, NASA’s New Horizons spacecraft flew past Arrokoth, the most distant and ancient object explored. Now, as it journeys farther, chief scientist Alan Stern has shared exciting new updates.

NASA astronomers are tracking asteroid 2024 YR4. Earth impact risk dropped to 0.28%, while lunar impact probability increased to 1%. Observations continue.