During a special observation run from Jan. 15 to Jan. 22, the Transiting Exoplanet Survey Satellite ( TESS) repeatedly ...

Jupiter, king of our solar system’s planets, continues to dominate the night sky in February. Lying inside the zodiac ...

The invisible stuff makes up about 85 percent of all matter in the universe, but researchers know little about it ...

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image ...

Scientists are using radar to study damaged ice both in Antarctica and, with the help of a NASA spacecraft, on Jupiter’s ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

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 .