Earth's pollution and technology might reveal our presence to aliens. From radio signals to city lights, scientists study ...

Humans are littering space with thousands of satellites, which pose a risk to climate and the environment, space ...

ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

A moon of Earth's own. While 2024 PT5 never officially joined Earth's orbit, the almost-moon still became a topic of interest ...

Featuring the world’s largest digital camera, the Vera C. Rubin Observatory will capture these mysterious phenomena in more ...

A dive into probabilities, asteroid impact modeling, and what sort of damage an approximately 180-foot asteroid could cause ...

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...

YR₄ has now been observed hundreds of times, but an impact still cannot be ruled out. The first images are also available.

Experts are tracking asteroid 2024 YR4, which has a 1.2% chance of impacting Earth in 2032. Observations continue to refine ...

It may sound apocalyptic, but a newly detected asteroid nearly the size of a football field now has a greater than 1% chance ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

The nebulosity of hydrogen gas is revealed with the use of a “Hydrogen-Alpha” filter in an astro image of the Cygnus ...