The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

A new high-resolution map of distant galaxies may help scientists understand the mysterious dark matter holding the universe ...

Astronomers puzzled out minuscule distortions in images of faraway galaxies taken by JWST in order to chart the invisible ...

Sky Shorts author says Orion a favorite constellation, and shares key details to find and appreciate its beauty.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Scientists studying Jupiter and Saturn’s polar storms suggest their dramatic differences arise from deep interior properties. Simulations show that “harder” or “softer” gas layers beneath the storms ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Harvard astrophysicist Avi Loeb identifies 18 anomalies of interstellar object 3I/ATLAS, raising questions about whether it ...

The planet HD 189733 b was discovered in 2005, as one of many huge gas worlds snuggled tightly against their suns. It gradually gained popularity for .

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

When NASA launched the Pioneer probes, they were met with an intriguing mystery. At around 20 astronomical units, both ...