After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

Detroit's Solar Intelligence Training Academy equips residents with skills in solar technology, environmental justice, and ...

Reporting from the European Space Agency’s (ESA) Ministerial Council for 2025, held in Bremen last week, IFLScience reveals how ESA is stepping up and doubling down on its commitment to monitoring our ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

When a meteor flashes across the night sky, it’s more than a beautiful streak of light. It’s a delivery from deep space—an ...