The image displays a glowing halo of gas and dust (coma) surrounding 3I/ATLAS with a hint of two tails. The fact that ...

One day after launching a Starship rocket on a dramatic test flight in Texas, SpaceX fired off a Falcon Heavy rocket from Florida on Monday, sending a $5.2 billion NASA probe on a 1.8-billion-mile ...

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing to ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

December is bringing us the last supermoon of 2025. On Thursday, Dec. 4, the supermoon will take over the sky, according to ...

The moons were discovered by a group of astronomers from Taiwan, Canada, the United States, and France. Between 2019 and 2021, they used the Canada France Hawaii Telescope to repeatedly monitor the ...

Nearly half a billion miles from Earth, a world may be stirring. Our planet is the only place in the solar system—and indeed the universe—where we know that life exists. But if the basic sciences of ...

December is an exciting month for those who like to look up, with a comet, a meteor shower, and a conjunction between the ...