Here’s what closed Sunspot Solar Observatory

Federal court documents this week revealed an FBI investigation of a janitor suspected of using Sunspot Solar Observatory's internet connection to send and receive child pornography.

Were the 2 Magellanic Clouds once 3?

A new study suggests that the Large and Small Magellanic Clouds - small satellite galaxies to our Milky Way - might have once had a 3rd companion.

Life imitates art? Astronomers find Star Trek planet Vulcan

In recent decades, astronomers and Trekkies had fun speculating on what might serve as Spock's home star. Many settled on 40 Eridani A, about 16 light-years away. Now a Vulcan-esque planet has been found for this star!

Dry ice frosts a Mars crater

The white markings here are bright residual carbon dioxide ice deposits - dry ice - on the south-facing rim of a pit crater on Mars.

TESS planet-hunter achieves 1st light

Launched last April, TESS is successor to the Kepler mission, which discovered a substantial fraction of all known exoplanets orbiting distant suns. This 1st-light image from TESS is cause for celebration. Ahoy! New worlds ahead!

Report calls for direct images of Earth-like exoplanets

A congressionally-mandated report recommends that NASA lead efforts to directly image possibly Earth-like exoplanets, using upcoming technologies. A major goal is finding habitable - maybe even inhabited - worlds.

Mars is closest to the sun today

On September 16, 2018, Mars reaches perihelion, its closest point to the sun in its 2-year orbit. Mars' brightness in July and August - and a recent global dust storm on the planet - are both linked to this event.

It’s been a year since Cassini plunged into Saturn

On September 15, 2017, the Cassini spacecraft plunged into Saturn, ending its spectacular mission. Cassini's last images and final moments, here.

Here’s how Hubble sees Saturn

Cassini ended its 13-year mission at Saturn a year ago, when it plunged into the giant planet's atmosphere. Now the Hubble Space Telescope is keeping an eye on the planet.

Alien-hunting AI discovers dozens of mysterious fast radio bursts

Astronomers with the Breakthrough Listen program used AI (artificial intelligence) to find 72 repeating, short, unpredictable radio bursts, from a mysterious source 3 billion light years away.

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