Very bright fireball illuminates Philadelphia skies, helicopters reported over possible impact site, U.S.

A very bright green fireball illuminated the sky over Pennsylvania, U.S., at 08:44 UTC (03:44 LT)…

Even Microquasars are Powerful Particle Accelerators

The Earth is bathed in high-energy particles. Known as cosmic rays, most of them are protons…

Burrowing Mole-Bot Could Characterize Other Planet’s Soil

Burrowing under soil opens up a whole new world, especially when that soil is on other…

ESA is Building its Own Lunar Lander

It seems everyone is talking about the Moon and everyone wants to get their foot in…

The Hubble Space Telescope is a Powerful Science Instrument Despite its Age

This Hubble image shows a supernova named SN 2022aajn in a distant galaxy about 600 million…

SETI Researchers Double-Checked 1 Million Objects for Signs of Alien Signals

We can’t help ourselves but wonder about life elsewhere in the Universe. Any hint of a…

White Dwarfs Pause Their Cooling, Giving Planets a Second Chance for Habitability

When we first began searching for planets around other stars, one of the surprising discoveries was…

Asteroid 2024 YR4 triggers planetary defense procedures

Asteroid 2024 YR4 has gained attention due to its considerable size, estimated between 40 and 100…

Very bright fireball explodes over Argentina and Urguay

A very bright fireball exploded over the skies of the Rio de La Plata area at…

Ontario residents report bright fireball flashing across the sky, Canada

A bright fireball lit up the sky over Ontario, Canada, on January 28, 2025. Witnesses reported…