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Updated: 2 hours 19 min ago

Uranus and Neptune's differences might boil down to collisions

Tue, 02/04/2020 - 05:00
Giant impacts could explain the many differences between the ice giants of our solar system, computer simulations show.
Categories: Astronomy

These dwarf planets are just as strange as Pluto

Mon, 02/03/2020 - 05:00
A new generation of ground-based telescopes and proposed space missions could soon reveal their secrets.
Categories: Astronomy

You can listen to the solar wind thanks to NASA's Parker Solar Probe

Fri, 01/31/2020 - 05:00
The data could help scientists understand why the sun's corona is so much hotter than its surface.
Categories: Astronomy

The Sky This Week from January 31 to February 9

Fri, 01/31/2020 - 05:00
While Mercury and Venus dominate the early evening sky, Mars and Jupiter rule before dawn.
Categories: Astronomy

See the most detailed picture of the Sun's surface ever taken

Fri, 01/31/2020 - 05:00
The new Daniel K. Inouye Solar Telescope will let us study the Sun in unprecedented detail.
Categories: Astronomy

A pulsar’s journey through swirling space-time shows astronomers how fast its binary companion spins

Thu, 01/30/2020 - 05:00
The effect, called frame-dragging, lends insight into the system’s history.
Categories: Astronomy

How Spitzer's infrared eyes helped astronomers unlock the invisible universe

Thu, 01/30/2020 - 05:00
Infrared light can pierce through obscuring dust and reveal features of stars and planets otherwise undetectable.
Categories: Astronomy

Two defunct satellites now have a 5% chance of colliding tonight

Wed, 01/29/2020 - 05:00
If they do collide, they will smash into one another at more than 30,000 miles per hour, leading to a cloud of debris circling the Earth.
Categories: Astronomy

Lyman Strong Spitzer: Namesake of the Spitzer Space Telescope

Wed, 01/29/2020 - 05:00
Though the Hubble Space Telescope was named after Edwin Hubble, we might not have any space telescopes (including Hubble) without the renowned astrophysicist Lyman Strong Spitzer.
Categories: Astronomy

The hottest known exoplanet is melting molecules in its atmosphere

Wed, 01/29/2020 - 05:00

The dayside of this scorching world is so hot that it splits hydrogen molecules in twain. But don’t worry, they can recombine after migrating to the planet’s cooler nightside.

Categories: Astronomy

Voyager 2 spacecraft recovers function after a minor glitch

Wed, 01/29/2020 - 05:00
A temporary malfunction aboard the interstellar spacecraft triggered an automatic fail-safe to conserve power.
Categories: Astronomy

What Spitzer discovered in its 16 years scanning the sky in the infrared

Tue, 01/28/2020 - 05:00
As its mission comes to an end, here's a look back on some of the greatest discoveries Spitzer made while exploring our dusty universe. 
Categories: Astronomy

Once the Spitzer Space Telescope is dead, what will take its place?

Tue, 01/28/2020 - 05:00
Infrared observing won’t go down with this flagship, but it will change.
Categories: Astronomy

A timeline of the Spitzer Space Telescope's 16 years of science

Tue, 01/28/2020 - 05:00
Spitzer has far outlived expectations, continuing to reveal the wonders of the universe even as its instruments began shutting down.
Categories: Astronomy

What will happen to the Spitzer Space Telescope after it's retired?

Mon, 01/27/2020 - 05:00
Spitzer will be powered down this week. But what happens to the orbiting telescope now?
Categories: Astronomy

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