1421–1440 of 6,730 results
Nova-C Lander

Space Missions

NASA Announces Drilling Site on the Moon

NASA has revealed the landing site for Intuitive Machines’ ambitious drilling mission, set to launch for the Moon in 2022.

Labyrinth on western end of Valles Marineris, by Mariner 9

Space Missions

Mariner 9: The Martian Semicentennial

A half century ago, Mariner 9 — our first orbiter at another planet — showed us the real Mars.

Spica points the way to low Mercury and Mars in the dawn, mid-November 2021

Celestial News & Events

This Week's Sky at a Glance, November 12 – 20

Venus, Jupiter and Saturn highlight the dusk. Mercury and Mars are a dawn challenge. And get ready for the barely-almost-total eclipse of the Moon.

International Dark-Sky Association 2021 Virtual Conference

Astronomy and Society

Under One Sky: Let's Address Light Pollution Together

Concerned about light pollution? Join a virtual conference this weekend that looks at ongoing global efforts to mitigate it.

a range of lines with blue dots on top and bottom creating a shape similar to a bird with spread wings. red and yellow dots run along the outline of the bottom half, all on a black background.

Black Holes

Third Gravitational-Wave Catalog Released

The latest results from LIGO, Virgo, and KAGRA bring several key revelations, including that black holes tend to come with certain masses.

Moon passing Venus at dusk, Nov. 7-8, 2021

Celestial News & Events

This Week's Sky at a Glance, November 5 – 13

In the evening sky the waxing Moon walks up past Venus, then Saturn and Jupiter day by day. And we're in the season of the Summer Triangle Effect.

GMT

Astronomy and Society

Astronomers Announce Priorities for Next Decade

The National Academy of Science detailed the direction for astronomy and astrophysics today for the coming decade.

Stellar companion strips outer layers from massive star (art)

Stellar Science

Close Companions Help Stars Make More Carbon

Massive stars can produce twice as much carbon when they have a close binary companion, according to a new study. The result is a small but important step in understanding the cosmic origin of elements.

Decadal survey: Origins, LUVOIR, HabEx, Lynx

Astronomy & Observing News

Astronomers Dream Big, Consider Four Future Space Telescopes

The release of the Astro2020 Decadal Survey is imminent, in which four concepts compete to become NASA’s next flagship mission. From exo-Earths to X-rays, what will the future hold?

Venusian volcano Idunn Mons in radar data

Solar System

The Case for an Active Volcano on Venus

After decades of studying Venus, many questions remain about our planetary next-door neighbor. One question has particularly intrigued astronomers: which, if any, of Venus’s 1,600 volcanoes are still active?

M51 (Whirlpool Galaxy) with extroplanet candidate marked

Exoplanets

Did We Find a Planet in Another Galaxy?

Astronomers using an innovative method have detected the signal of what could be an extragalactic exoplanet. But confirming its existence will be difficult.

Pegasus Pisces Andromeda

Sky Tour Astronomy Podcast

November: A Flying Horse and Star Fish

With darkness coming earlier now, take advantage of November's clear evenings to explore the nighttime sky with our audio guided tour.

Jupiter's Great Red Spot

Solar System

The Roots of Jupiter’s Great Red Spot Run Deep

NASA’s Juno mission has obtained measurements that finally say just how deep the Great Red Spot goes.

Moon, Mercury, Spica low in bright dawn, Nov. 3, 2021

Celestial News & Events

This Week's Sky at a Glance, October 29 – November 6

The moonless evenings this week offer three bright planets and deep-sky riches as deep as you can go. Meanwhile, the waning crescent Moon meets Mercury and Spica low in bright dawn.

Parkes Telescope, aka Murriyang

Astronomy and Society

The True Nature of the Candidate ET Signal From Proxima Centauri

Human-made interference, not extraterrestrial technology, is responsible for the first candidate "signal of interest" detected by the project Breakthrough Listen.

Astronomy & Observing News

Willmann-Bell Books Now Available

The AAS is honored to be continuing the legacy of Willmann-Bell, Inc. by selling and publishing their robust catalog of astronomy books as an imprint of AAS Sky Publishing, LLC.

Earth and Uranus compared

Celestial News & Events

Uranus Queues Up for Opposition

Journey to a remote planet then double back to check in on the latest stirrings of Comet 29P/Schwassmann-Wachmann before touching the finger of dawn.

An image of the globular cluster Messier 5

Stellar Science

Unlocking the History of Globular Cluster Messier 5

A new study uses precise measurements of chemical elements to explore the formation history of one of the oldest globular clusters in the Milky Way.

Black hole-powered mushroom cloud in space

Black Holes

Astronomy in Pictures: Black Holes, Baby Stars, and Magnetic "Tunnels"

Astronomers witness the unfurling of a black hole-powered mushroom cloud, a baby super-Jupiter, and a magnetic "tunnel" around the solar system.

Moon with Aldebaran and Pleiades, Oct. 22-23, 2021

Celestial News & Events

This Week's Sky at a Glance, October 22 – 30

As fall proceeds, Jupiter and Saturn shift westward and tilt ever more steeply. Venus gets a little higher and brighter. The waning Moon passes the Pleiades. And as Halloween approaches, Arcturus becomes the Ghost of Summer Suns.