TEHRAN (ANA)- NASA scientists say they have confirmed the universe’s first known example of a starless, gas-rich object governed primarily by dark matter, a discovery that offers fresh insight into how galaxies form—and fail.

TEHRAN (ANA)- Two recently detected black hole mergers, observed just a month apart in late 2024, have given scientists their most precise test yet of Einstein’s general relativity.

TEHRAN (ANA)- New research from UBC Okanagan mathematically demonstrates that the universe cannot be simulated.

TEHRAN (ANA)- Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now.

TEHRAN (ANA)- MIT researchers have found rare remnants of the planet that existed before Earth’s catastrophic formation.

TEHRAN (ANA)- A new paper presents a method for distinguishing between different sources of nanohertz gravitational waves.

TEHRAN (ANA)- Our Milky Way is far from calm — it ripples with a colossal wave spanning tens of thousands of light-years, revealed by ESA’s Gaia telescope.

TEHRAN (ANA)- Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the driving force behind creation.

TEHRAN (ANA)- Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks.

TEHRAN (ANA)- Astronomers have discovered an enormous double-ringed radio structure billions of light-years away.