Hubble keeps returning to the Egg Nebula because it changes in ways astronomers can actually track over years and decades. By comparing images taken at different times, scientists can see dust shift, ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

This stunning image from NASA's Hubble Space Telescope reveals a dramatic interplay of light and shadow in the Egg Nebula, ...

The broadest planned survey by NASA's upcoming Nancy Grace Roman Space Telescope will reveal hundreds of millions of galaxies scattered across the ...

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

Planned launch of 500,000 satellites could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

Explore Hubble's sharpest image of lens-shaped NGC 7722, a lenticular galaxy with swirling rings of dust and gas, 187 million light-years away.

Discover seven unusual galaxies defying scientific predictions, from impossibly bright early universe objects to astrophysics ...

NASA and the Hubble telescope have not confirmed the sheer massive size of 3I/ATLAS as mysterious object leaves solar system ...