Spaceflight
Reflect Orbital says it will deliver sunlight on demand
The startup company Reflect Orbital has proposed putting hundreds of thousands of satellites with mirrors in space to illuminate areas of Earth at night.
Earth
Sun
Sun news: Super-active AR4246 will depart soon
Sun news for October 17, 2025: Prolific very active sunspot region AR4246 is soon to depart to the far side of our sun. Today it was the only flare producer.
Astronomy Essentials
Tonight

Visible planets and night sky guide for October

Visible planets and night sky guide. Tomorrow morning, the thin crescent moon hangs between Regulus and the horizon. And, the Orionid meteor shower peaks soon.
Space

New evidence for ocean on Mars found in ancient rivers

Researchers have discovered further evidence for an ancient ocean on Mars, in the form of backwater deposits and ridges left by rivers billions of years ago.
Earth

Not all bats are bloodsuckers! More on this Halloween icon

Bats might be spooky, but they pollinate flowers, control insect pests and have inspired scientists to improve human lives in many ways.
Earth

New dinosaur highway dig reveals record-breaking footprints

A new round of excavations at the U.K.'s 'dinosaur highway' has revealed hundreds more dinosaur footprints and a record-breaking sauropod trackway.
Astronomy Essentials
Clusters Nebulae Galaxies

Orionid meteor shower 2025: All you need to know

In 2025, the Orionid meteor shower should rain down its greatest number of meteors on October 20-21. The moon won't interfere in 2025.
Earth

Blackwater photography reveals new fish-anemone interactions

Scientists and divers using blackwater photography have documented some juvenile fish carrying, or swimming with, larval anemones and polyps.
Earth

Earth’s magnetic field has a weak spot that’s growing

Earth's magnetic field has a growing weak spot ... And there are other areas where the magnetic field is stronger than average. Read more about it here.
Space

Gravity vs magnetism: Star-forming interaction revealed

For the 1st time, scientists have traced how magnetic fields in star-forming clouds interact with gravity to control the birth of new stars.

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