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

The bold question-askers at What If explore what would happen if Jupiter became a star. Florida’s $83 million land deal is ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

2025 College Football Rankings: Ohio State Stays No. 1 as Penn State, Texas Slide ...

While it’s hard to see the solar wind directly in photos once it leaves the corona, we can measure the gas directly with instruments in space. Scientists have recently gotten up ...

At the time, astronomer Jerry Ehman spotted the highly unusual outburst in printed out records, annotating the major radio ...

Two recent studies used seismic data from NASA’s retired InSight mission to shed light on what lies beneath Mars’ surface and what it means for the planet’s history The spacecraft will map the ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

Scientists have discovered that the 3I/ATLAS — a Manhattan-sized interstellar object that potentially has alien tech — is much larger than previously thought.... First discovered by NASA on July 1, ...

Spirals of solar wind can spin off larger solar eruptions and disrupt Earth's magnetic field, yet they are too difficult to ...