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Strange radio signals from nearby star

A 10-minute observation in May of nearby star Ross 128 yielded a peculiar radio signal. Further observations planned for Sunday night.

Planet 9 hypothesis alive and well

Is there an unknown, massive planet on the fringes of our solar system? New work that claims to remove “observational bias” also supports this very exciting possibility.

Wow! Juno’s super-close Red Spot images

Raw images from the Juno spacecraft’s extremely close sweep past Jupiter’s Red Spot are beginning to come in. NASA invites you to help process them!

Astronomers find the smallest star yet

This star is just a sliver larger than Saturn, not even the largest planet in our solar system.¬†Yet it’s massive enough to shine as a star, and its pull of gravity is some 300 times stronger than Earth’s.

Dawn at Saturn

Although the Cassini spacecraft – now on the verge of running out of fuel – is in its final year in orbit around Saturn, it’s still producing heart-stirring images.

James Webb Telescope chillin’ in Houston

In hot Houston, the telescope hangs in historic Chamber A at Johnson Space Center, with the best air conditioning available. It’ll soon receive a last test of its ability to withstand the cold of space.

Astronomers track hypervelocity stars

New video shows 6 hypervelocity stars, zipping from Milky Way center to outskirts. An interaction with our galaxy’s central, supermassive black hole might have kicked them into fast motion.

100 billion failed stars in Milky Way?

A recent survey revealed 1 brown dwarf for every 2 stars in the star cluster RCW 38 and other clusters. “There are a huge number of brown dwarfs out there,” astronomers said.

Sunspot, and chance of weekend storms

Experts say there’s a 60% chance this weekend of geomagnetic storms, possibly causing auroras. Plus, over the past couple of days, a lone sunspot has grown rapidly!

Solar minimum is coming

Low ebb in the 11-year sunspot cycle expected 2019-2020. Want some basic information about the sunspot cycle and its effects? Watch this NASA ScienceCast.