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Updated: 3 hours 57 min ago

The Sky This Week from March 27 to April 3

Fri, 03/27/2020 - 04:00
Venus and the Moon meet just days before Mars and Saturn come their closest in the sky this week.
Categories: Astronomy

How to explore the universe while you’re stuck at home

Fri, 03/27/2020 - 04:00
The distant cosmos isn’t beyond your reach. You can explore the universe without getting off the couch.
Categories: Astronomy

The Sun: Extremely loud and incredibly hot

Thu, 03/26/2020 - 04:00
We know a lot about the Sun, but not nearly everything. In the video below, Dr. Anna Funk describes how we're still working to answer some fundamental questions about our nearest star.
Categories: Astronomy

Evidence for an exotic dark matter candidate falls flat

Thu, 03/26/2020 - 04:00
Dark matter might still be made of sterile neutrinos — but scans of our own galaxy couldn’t find the supposed signals proving the connection.
Categories: Astronomy

Comet ATLAS may soon be visible to the naked eye

Wed, 03/25/2020 - 04:00
C/2019 Y4 (ATLAS) is racing toward the Sun — and possibly a place in the history books.
Categories: Astronomy

The Degenerate Era: When the universe stops making stars

Mon, 03/23/2020 - 04:00
When the last stars die, the cosmos will turn into a drab place, with smoldering stellar remnants fading from sight like cooling embers.
Categories: Astronomy

Rare pulsating white dwarf spotted in a binary star system

Mon, 03/23/2020 - 04:00
The star could offer answers to what will happen to our Sun in the future.
Categories: Astronomy

Hubble dissects a tarantula to study how giant stars form

Fri, 03/20/2020 - 04:00

The Tarantula Nebula is the largest known stellar nursery, and on its outskirts sits a stellar laboratory that’s helping astronomers investigate the origins of massive stars.

Categories: Astronomy

The Sky This Week from March 20 to 27

Fri, 03/20/2020 - 04:00
Jupiter and Mars meet in the morning sky and our Sun advances one more “galactic tick” around the Milky Way.
Categories: Astronomy

India prepares to launch its first crewed mission in 2021

Thu, 03/19/2020 - 04:00

The crew will travel to low Earth orbit for a week using homegrown technology — a first for India. Prior tests include a humanoid robot, three astronauts, and six scientific experiments.

Categories: Astronomy

Al Worden, Apollo 15 astronaut, dies at age 88

Wed, 03/18/2020 - 04:00

Though he never stepped on the Moon, Worden set a record while alone in lunar orbit during Apollo 15.

Categories: Astronomy

Snapshot: Hubble hunts for cosmic carnage

Tue, 03/17/2020 - 04:00
The space telescope is seeking evidence of stars torn asunder by a supermassive black hole.
Categories: Astronomy

How small are neutron stars?

Mon, 03/16/2020 - 04:00
Most neutron stars cram twice our Sun’s mass into a sphere nearly 14 miles (22 kilometers) wide, according to a new study. That size implies a black hole can often swallow a neutron star whole.
Categories: Astronomy

Beyond Carl Sagan's Cosmos: A conversation with Ann Druyan

Mon, 03/16/2020 - 04:00
The creator of the new Cosmos television series reflects on humanity's long path toward scientific enlightenment.
Categories: Astronomy

Do all galaxies have dark matter?

Fri, 03/13/2020 - 04:00
The discovery of two ghostly galaxies created a hullabaloo in the astronomical community. But the jury’s still out on what’s really going on.
Categories: Astronomy

The Sky This Week from March 13 to 20

Fri, 03/13/2020 - 04:00
Celebrate Percival Lowell with great views of Mars and ring in Northern Hemisphere spring with a planetary conjunction.
Categories: Astronomy

Hubble celebrates 30 years of science

Thu, 03/12/2020 - 04:00
The world’s favorite orbiting observatory has transformed our knowledge about exoplanet atmospheres, the fate of the universe, and almost everything in between.
Categories: Astronomy

Slime mold helps astronomers map the universe’s dark matter

Thu, 03/12/2020 - 04:00

The food-seeking behavior of a simple organism is helping astronomers trace the universe’s vast cosmic web, dark matter and all.

Categories: Astronomy

How to observe a Messier marathon

Wed, 03/11/2020 - 04:00
Seeing all 109 objects in one night should be on your observing bucket list.
Categories: Astronomy

Astronomers find an exoplanet where iron rains from the sky

Wed, 03/11/2020 - 04:00
The extreme orbit of the gas giant exoplanet WASP-76 b gives it some truly terrifying weather.
Categories: Astronomy

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