Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

The debate over the interstellar object 3I/ATLAS escalated sharply this week as a scientist publicly accused amateur ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

The post NASA Puts Claims That Interstellar Object Coming Our Way Is Just A Comet And Not An Alien Spacecraft As Other Astronomers Have Claimed first on TwistedSifter.

In 2025, NASA faced unprecedented uncertainty as it grappled with sweeping layoffs, looming budget cuts, and leadership ...

NASA's Perseverance rover has for the first time helped scientists confirm that electrical sparks often ignite within ...

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 ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

Astronomers using the Subaru Telescope discover an exoplanet and a brown dwarf, offering new insights and a key target for NASA’s upcoming Roman Telescope ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...