Blog

News

Spring Astronomy Day 2017!

Don’t have any weekend plans? You do now! Join your local amateur astronomy community in celebrating Spring Astronomy Day, Saturday April 29th.

Silhouette of telescopes

Scopes at the ready for public observing at Grand Canyon National Park.

Michael Quinn / National Park Services

Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy

Lire la suite
News

Cassini Survives First “Grand Finale” Dive

Cassini’s Grand Finale has begun, as the spacecraft threaded the needle between Saturn and its rings, following several fantastic moon passes and a final glance back at Earth.

Cassini Grand Finale

An artist’s conception of Cassini plunging through the gap between Saturn and its rings.

NASA/JPL

NASA’s Cassini spacecraft is a survivor. Launched

Lire la suite
news copernic

Le ciel du mois de mai 2017 (heures en…

  • Mercredi 3 à 2h47, Premier Quartier (distance 378.131 km, diamètre apparent 31’36 »).
  • Jeudi 4, à voir à la fin du crépuscule conjonction géocentrique en longitude entre Régulus et la Lune ; Occultation de Régulus par la Lune, visible depuis l’Océan Indien, l’Indonésie, l’Australie, la Nouvelle-Zélande ; A 10h41 la Lune
Lire la suite
News

Orbital Path Podcast: Making Gravitational Waves

The universe sings to us in gravitational waves, and we’re starting to listen. Michelle Thaller discusses the discovery of gravitational waves and their unusual effects in her latest astronomy podcast.

LISA Pathfinder

An artist’s conception of LISA Pathfinder in space.

NASA JPL / ESA

Surely one of the most profoundly wonderful and

Lire la suite
News

Are You Ready, Willing, and Abell?

A cosmic rabbit hole in the tail of Leo will take you to Abell 1367, a wonderland of galaxies more than 300 million light-years from Earth. Step in and lose yourself in the vastness.

Knots of Fuzz in Leo's Tail

Abell 1367 is easy to locate. Look above Denebola in Leo’s tail to find 93 Leonis.

Lire la suite
News

Why We Marched for Science

An S&T editor, and his biologist partner, decide where to make a stand, and why.

“OBJECTIVE REALITY EXISTS.” It was a protest sign that I never imagined I would carry on a crowded all-night bus to Washington, DC.

Alan MacRobert and flag-bedraped wife Abby Hafer, the closest they'll ever get to being on the cover of Science magazine.

Alan MacRobert and flag-bedraped wife Abby Hafer, in the closest they’ll ever

Lire la suite
News

La Residencia d’ALMA a été livrée

eso1713fr — Communiqué de presse institutionnel

Un nouvel hébergement destiné au personnel et aux visiteurs du site d’ALMA au Chili

25 avril 2017

La nouvelle Residencia d’ALMA au Centre de Soutien des Opérations d’ALMA vient d’être livrée à l’Observatoire Commun ALMA. La célébration de cet événement a réuni le Conseil

Lire la suite
News

LISA Pathfinder: From Gravitational Waves to Space Dust

LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.

LISA Pathfinder

An artist’s conception of LISA Pathfinder in space.

Sometimes, space missions can have surprising secondary benefits. Putting things in space is an expensive and lengthy task, and scientists and researchers

Lire la suite
News

Astronomers March for Science

On Saturday April 22, 2017, scientists descended upon the nation’s capital, as well as hundreds of cities across the U.S. to champion robustly funded and publicly communicated science. Although it was an unambiguously political movement, the event was also billed as nonpartisan — the misuse and misrepresentation of science has

Lire la suite
News

Cosmic Lens Provides Unique View of Supernova

Astronomers have discovered a gravitationally lensed Type Ia supernova that will soon give them a new measure of the universe’s expansion.

“I was baffled.”

That’s how Mansi Kasliwal (Caltech) describes his first impression when he looked at initial images of the supernova dubbed iPTF 16geu. It was clearly a Type

Lire la suite
News

Welcome to LHS 1140b: A Super-Earth in the Habitable…

The MEarth exoplanet survey has nabbed a rocky super-Earth transiting its host star just 41 light-years away from Earth.

Artist's concept of super-Earth LHS 1140b orbiting red dwarf star

An artist’s impression of exoplanet LHS 1140 orbiting a red dwarf star 41 light-years distant.

ESO/SpaceEngine.org

We’re getting our first good characterizations of terrestrial exoplanets lately. First, news broke of a

Lire la suite