Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

The NASA/ESA/CSA James Webb Space Telescope has captured an amazing view of the iconic Hubble Ultra Deep Field using its MIRI ...

New images from ESA's Juice probe and Hubble reveal a rare double tail on interstellar comet 3I/ATLAS as it approaches Earth ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

The interstellar comet 3I/ATLAS is racing away from the sun. Hubble and JWST track the object's strange composition: high CO2 ...

Interstellar comet 3I/ATLAS is making its closest approach to Earth, sparking a fierce debate. Harvard's Avi Loeb argues its ...

The U.S. Postal Service today announced the Priority Mail and Priority Mail Express stamps it will release in 2026. There ...

Interstellar Comet 3I/ATLAS is nearing Earth. Hubble and Juice captured new images, revealing an alien object with a strange ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

University of Arizona astronomers discover a galaxy with a dual personality – appearing ordinary in visible light while appearing to accrete material at an extraordinary rate when observed in the ...

For millennia, the act of gazing at the night sky has connected us not only to the stars but also to one another. This simple ...

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