A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

Stations on planet Earth have sent and received messages beamed via laser from NASA’s Psyche spacecraft over 350 million kilometers (218 million miles) away. This breakthrough in optical communication ...

Gareth Dorrian does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

ESA is making use of spacecraft originally dedicated to its Mars and Jupiter missions to track comet 3I/ATLAS as it continues ...

Riding alongside IMAP, NOAA's SWFO-L1 will serve as a dedicated solar alert system, monitoring space weather and energetic particles in real time. Its data will feed directly into NOAA's forecasting ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission ...

Hot spots and tunnels to neighboring "superbubbles" seem to have been created by supernovas and infant star outbursts. When you purchase through links on our site, we may earn an affiliate commission.

The US space agency NASA successfully launched three missions into space on Wednesday that seek to map the heliosphere.

The Goldilocks zone is a place where planetary temperatures allow liquid water to exist. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...