Greetings, stargazers. Emission nebulae are the subject of many of the most spectacular astrophotographs published in the last decade. Although there are many subcategories of nebulae, they all ...

On July 11, 2022, the James Webb Space Telescope finished its commissioning and commenced science operations. In the three ...

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays ...

This lifespan began roughly 4.6 billion years ago, and will continue for about another 4.5 - 5.5 billion years, when it will deplete its supply of hydrogen, helium, and collapse into a white dwarf.

From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our ...

Such changes would make it difficult for life as we know it to survive on Earth. The increased heat and radiation would ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

The comet will zip past Mars’s orbit and reach its closest point to the Sun on 29 October 2025, at 1.35 astronomical units.

The whole picture doesn’t become clear until you combine Webb data with Hubble data,” stated Rogier Windhorst, Regents Professor at Arizona State University, captioning a revolution in cosmic vision.

Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds—or Fermi bubbles—at the Milky ...

Lynds 483 (L483) is a star-forming region 650 light-years away in Serpens. The James Webb Telescope captured glowing jets ...