Taking a fresh look at data involving a specific type of stellar explosion, a team of researchers says it has confirmed the long-accepted notion that the universe is expanding at an accelerated rate — ...

NASA is ringing in the country’s 250th anniversary with a collection of Fourth of July themed images and videos highlighting ...

NASA's Chandra X-ray Observatory has released four stunning images of cosmic wonders, depicted in red, white and blue for the ...

Min Read In celebration of the 250th birthday of the United States, NASA has unveiled four cosmic images from its Chandra ...

When a dying star explodes in a powerful cosmic event, it can briefly become so bright that it is visible even in daylight from Earth under the right conditions.

This Star Is About To Explode!

From star‑forming pillars to colliding galaxies, Hubble’s most iconic images reveal how the universe is built, evolves and continues to surprise For more than 35 years, the Hubble Space Telescope has ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

It measures about 15 miles (25 kilometres) in diameter and rotates 11 times every second, faster than a helicopter rotor.

NASA’s Hubble revisited Crab Nebula 25 years after first observation Crab Nebula is a supernova remnant from a star explosion in 1054 Nebula is expanding at 3.4 million miles per hour, 6,500 ...

The Crab Nebula has been expanding ever since a star exploded nearly 1,000 years ago – but until now, that motion has mostly lived in static images. Instead of a frozen cloud of debris, the nebula ...