In 2017, we spotted our first ever visitor from another star system: 'Oumuamua. This bizarre object moved at impossible ...

Night sky update for December 17, 2025, covering the moon phase, visible planets, meteor showers, and key space and astronomy news from today ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

From the moment she looked through a telescope, Marissa Norlund knew she was an observational astronomer.

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ...

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

In 2027, the first season of the Harry Potter reboot will hit our screens. Many fans are both excited and a little apprehensive. Having full seasons means way more time to delve into the universe they ...

A recently discovered observatory may be the oldest in the Americas, challenging everything we knew about ancient astronomy.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

These days, we would call them proprietary blends. But in the late 1500s and early 1600s, individual alchemists called the ...