Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...

A comet from another star system is putting on a show that looks uncannily like a heartbeat, with bright jets of gas and dust switching on and off in a steady rhythm. New NASA images of Comet 3I/ATLAS ...

What is the behavior of modern space science when a visitor of another star system arrives measuring it during silence, or describing it in noisy terms? The longest lasting fascination in the case of ...

"It tells us that the ingredients for life's chemistry are not unique to our own." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A rocky ...

A comet named 3I/ATLAS, which originated from outside our solar system, is currently hurtling through Earth's cosmic neighborhood. It is only the 3rd interstellar object ever discovered in our solar ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and James Webb Space Telescope observations have found. When you purchase ...

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

I don’t think anyone declared it, but 2025 was a big year for comets. There was comet Lemmon, which was discovered in January and stayed in the news for a good nine months. The images of Lemmon’s long ...