About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

The new exhibit offering hands-on activities and science-focused education opportunities for families and visitors of all ...

In the early chaos of planetary formation, before crusts cooled or atmospheres settled, water might already have been bubbling into existence. Not fromicy comets or far-flung asteroids, but from the ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds. For ...

Long without a leader, NASA finds plenty of support among the space community for billionaire Jared Isaacman, including from ...

Astronomers first documented a CME in 1859, in conjunction with the widespread energy grid disruptions that later became ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

A coalition led by the Planetary Society has voiced its support for Jared Isaacman, President Donald Trump's pick to lead ...

Six planets are hanging out in the sky this month in what’s known as a planetary parade. Catch the spectacle while you can because it’s the last one of the year. These linkups happen when several ...

‘Planet Fungi: A Photographer’s Foray’ celebrates the beauty and braun of fungi. By Popular Science Team Published Oct 18, 2025 12:00 PM EDT Image: Photo by Stephen Axford. Get the Popular Science ...

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