The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially ...

The Hubble Space Telescope, a cornerstone of modern astronomy, has been providing breathtaking images and invaluable data for ...

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe.

The universe's expansion is accelerating, a phenomenon attributed to dark energy, potentially explained by a cosmological constant (Λ) in Einstein's general relativity. The ΛCDM model, the standard ...

Astronomers using NASA’s Hubble Space Telescope have discovered that the universe is expanding 5 percent to 9 percent faster than expected. “This surprising finding may be an important clue to ...

Scientists figured out that the universe is billions of years old — after years of reading ancient rocks and dying stars, and ...

The question of how fast the universe is expanding continues to confound scientists. Although it might seem like a fairly straightforward issue, the reality is that it has been perplexing the best ...

Measuring the expansion rate of the universe was one of the Hubble Space Telescope's main goals when it was launched in 1990. Measuring the expansion rate of the universe was one of the Hubble Space ...

Astronomers using the ultraviolet vision of NASA’s Hubble Space Telescope have captured one of the largest panoramic views of the fire and fury of star birth in the distant universe. The field ...

Birthed from the minds of astronomers Edwin Hubble and Milton Humason, the Hubble constant has long been our closest attempt at understanding the universe's rate of expansion. However, recent attempts ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

This image of NGC 5468, a galaxy located about 130 million light-years from Earth, combines data from the Hubble and James Webb space telescopes. This is the farthest galaxy in which Hubble has ...