Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

The story of the three wise men, or Magi, following the ‘Star of Bethlehem’ that takes them to the newborn Jesus is well known. However, a mystery has surrounded this celestial object for centuries, ...

NASA’s James Webb Space Telescope has recently made a historic observation, identifying the earliest supernova ever detected.

Data from the James Webb Space Telescope has identified the universe’s most ancient supernova to date. This milestone not only redefines astronomical records but clarifies how the universe’s first ...

Previously, the most ancient supernova ever confirmed dated back to when the universe was 1.8 billion years old.

The footage, which NASA released on Dec. 3, was captured by the Perseverance rover inside Jezero Crater on Sept. 6, as ...

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled out yet. One involves a medium-size black hole, thousands of times heavier ...

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

A NASA planetary scientist has proposed what may be the first scientifically sound explanation for the mysterious Star of Bethlehem that guided the three wise men to the infant Jesus over two ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...