A Harvard scientist has suggested that the trajectory of the mysterious space lump 3I/ATLAS will bring it close enough to ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

Beginning Nov. 25, 2025, Mercury will be far enough west to peek above the horizon just before sunrise. Venus will also be naked-eye-visible as a bright point of light but you’ll want a telescope or a ...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are ...

New telescope observations reveal structural features never documented in any known celestial object The morphology defies conventional understanding. The forward anti-tail persists where physics says ...

This means that it would still take a little over four whole years of traveling at lightspeed to reach the red dwarf—not that ...

Scientists clarified that, if considering the comet’s trajectory relative to the Sun, it is already on its way out of the solar system while still approaching our planet ...

New modeling of the early solar system is reshaping the familiar story of how the Moon formed, suggesting that Earth and the ...

A viral video of 3I/Atlas has sparked wild theories, but space scientists break down the real science behind it.

I/ATLAS is expected to reach its closest distance to Jupiter on March 16, 2026. Its approach may coincide with Jupiter’s Hill ...