telescope

The Hickson Compact Group 40 features five galaxies caught in a gravitational dance.

Hubble Space Telescope's 32nd Anniversary Photo Features Dramatic Galaxy Cluster

The five galaxies, dubbed the Hickson Compact Group 40, will merge in roughly a billion years

An image of the original 1970s Arecibo message. 

These Space Scientists Want to Update Earth's Message to Extraterrestrials

The broadcast builds on the 1974 Arecibo message and portrays information about science, math and human life

The star, HD 84406 is seen as 18 photons because it is refracted by the telescopes 18 misaligned mirrors.  

James Webb Space Telescope's First Look at Outer Space Is a Kaleidoscope of Faint Starlight

As NASA astronomers adjust its mirrors over the next month, the dots of light will eventually align into one image of a star in Ursa Major

The telescope has five layers that dissipate heat from the sun. The sunshield's outer layer can reach 230 degrees Fahrenheit, and the last can drop to -394 degrees.

The James Webb Space Telescope Just Cleared Its Most Challenging Hurdle

The tennis court-sized sunshield fully unfurled itself this week, accomplishing the riskiest and most complicated aspect of the telescope's deployment

An artist’s conception of the James Webb Space Telescope at work.

The James Webb Telescope Successfully Launches Into Space

A rocket carrying the $10 billion dollar invention blasted off Christmas morning and powered up as planned, providing astronomers with a long-awaited gift

From amazing firsts on Mars to the impacts of climate change on Earth, these science stories stood out as the most important of 2021

The Ten Most Significant Science Stories of 2021

Thrilling discoveries, hurdles in the fight against Covid and advancements in space exploration defined the past year

On April 25, 1990, the Hubble Space Telescope was deployed from the cargo bay of Space Shuttle Discovery.

A Look Back at Hubble's Interstellar Success

At the launch of the Webb Space Telescope, the legacy of America’s favorite eye in the sky is best remembered with a look at a Smithsonian artifact

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