The breakthrough came after researchers studied images from NASA's Hubble Space Telescope, along with new observations from ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

NASA is gearing up to launch the Nancy Grace Roman Space Telescope this summer, sending the spacecraft 1 million miles from ...

NASA’s Nancy Grace Roman mission and Chile’s LSST camera map dark matter, dark energy and billions of galaxies over 10 years ...

The set recreates the observatory's internal optics, posable solar arrays, and opening aperture door across a 15-inch ...

Explore seven of NASA's most important upcoming missions, from returning to the Moon to searching for hazardous asteroids and ...

A newly confirmed dwarf galaxy orbiting Andromeda contains so few stars that automated detection pipelines ignored it entirely — and that invisibility may be precisely what makes it scientifically ...

The Euclid space telescope has spotted the oldest quasars -- the brightest objects in the universe -- ever discovered, deepening a cosmic mystery that has been puzzling scientists. Quasars are powered ...

NASA's Chandra X-ray Observatory celebrates the 4th of July with a dazzling array of red, white and blue space phenomena.

NASA is marking the United States' 250th birthday with four striking red, white, and blue images of deep space from the ...

NASA has expanded its “What Did Hubble See on Your Birthday?” gallery, now offering five cosmic views per day. With 1.7M+ ...

Hubble Space Telescope captured ionizing ultraviolet light from galaxy MXDFz4.4, which existed just 1.4 billion years after the Big Bang — the closest astronomers have ever come to directly measuring ...