About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Mercury switches from the evening to morning sky this month, while the giant planets dominate the night. The moons of Jupiter ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Binoculars are listed by size spec, where the first number is magnification and the second is objective lens diameter.

Astronomers have unveiled the largest low-frequency radio color image of the Milky Way ever created, offering a sprawling, ...

The gas giant WASP-18b belongs to a class known as ultra-hot Jupiters — giant, searing, gaseous planets that orbit perilously close to their stars. Researchers used a new technique called ...

Halloween telescope image reveals bat-shaped stellar nursery where infant stars are born. The cosmic creature spans four full ...

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.

Having worked as a Montessori preschool teacher, I have seen firsthand how slides promote physical, cognitive and even social ...

This is the first time the novel imaging technique has been applied to telescopes. For the first time, astronomers have ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.