Astronomy

In its fourth episode, "The Acolyte" has a bigger sense of urgency, delivers a surprising Star Wars prequels cameo, and twists the plot once again.

Check out the new prologue video for the upcoming sci-fi RPG title, "Exodus."

Researchers have confirmed a centuries-old rumour that leeches can jump, which they may do to land their next blood meal

Researchers have confirmed a centuries-old rumour that leeches can jump, which they may do to land their next blood meal

Prototype quantum photonic-dimer laser uses entanglement to bind photons and deliver a powerful beam of concentrated light that can shine through adverse weather like thick fog.

These cohousing communities are fighting an epidemic of loneliness with radical neighborliness.

Video: 00:00:10

Summer officially begins in the Northern Hemisphere today 20 June, marking the longest day of the year. The summer solstice, which is when the Sun reaches the most northerly point in the sky, is set to occur tonight at 21:50 BST/22:50 CEST.

During the summer solstice, the Northern Hemisphere will experience the longest period of sunlight in a day or the longest day of the year. This is because of Earth’s position in orbit around the Sun and the way the North Pole is tilted towards the Sun during the solstice. 

The Sun’s rays hit the Northern Hemisphere at their most direct angle, resulting in the most extended period of daylight. Despite the long hours of daylight, it may not necessarily be the hottest day of the year. 

This animation shows one image per day captured by the Meteosat Second Generation from 20 June 2023 until 19 June 2024 captured at approximately 16:30 BST/17:30 CEST.

Access the related broadcast quality video material.

A new, official competition allows anyone to propose a mythology-based name for a "quasi-moon," an asteroid that orbits the Sun alongside Earth.

The post You Can Name a (Quasi) Moon! appeared first on Sky & Telescope.

The construction of the monument and another beside it more than 4,000 years ago corresponds to a time of bitter cold.

For the first time, a phenomenon astronomers have long hoped to image directly has been captured by the NASA/ESA/CSA James Webb Space Telescope’s Near-InfraRed Camera (NIRCam). In this stunning image of the Serpens Nebula, the discovery lies in the northern area of this young, nearby star-forming region.

A new species of dinosaur discovered in Montana and related to Triceratops had one of the strangest, most asymmetrical skulls that scientists have ever studied

A new species of dinosaur discovered in Montana and related to Triceratops had one of the strangest, most asymmetrical skulls that scientists have ever studied

Virgin Galactic shared an awe-inspiring video from the final flight of its VSS Unity space plane.

NASA will discuss the results of a recent asteroid-threat exercise today (June 20), and you can watch it live.

Gene-cutting diagnostic tests could be as easy as a rapid COVID test and as accurate as PCR

A completely fabricated condition, crafted from racist medical biases, still corrupts the criminal justice system today

Mathematicians picked the most dazzling, thought-provoking and compelling equations they know

Rocket Lab plans to launch its Electron vehicle for the 50th time today (June 20), and you can watch the milestone moment live.

A Doctor Who superfan explains how the unusual cardiovascular system of the alien Time Lords could evolve and function

The summer solstice, also known as the June solstice arrives June 20 at 4:51 p.m. EDT (2051 GMT), marking the longest day in the Northern Hemisphere.