421–440 of 1,395 results
Comet 4P/Faye and tail

Explore the Night with Bob King

Making Time for Morning Comets

If you like mixing comets with the quietude of observing in the small hours, September opens with five fuzzy vagabonds just waiting for a visit.

ESCAPADE

Astronomy in Space with David Dickinson

ESCAPADE Blue and Gold Orbiters Head to Mars in 2024

A pair of spacecraft will head to Mars in 2024 as the ESCAPADE mission, to study the Martian space weather environment.

2021 PH27

Astronomy in Space with David Dickinson

Astronomers Discover Asteroid that Flies Close to the Sun

Newly discovered asteroid 2021 PH27 orbits the Sun in just 113 days.

Jupiter and GRS

Explore the Night with Bob King

Jupiter Dazzles at Its Brightest and Closest This Year

Jupiter comes to opposition on August 20th, when it will shine brighter and closer than at any other time this year. With nights starting earlier and cooler temperatures arriving, there's no better time to make the most of the planet.

Camera and Milky Way

Imaging Foundations with Richard Wright

Astrophotography: How Long Can You Go?

While many astrophotographers follow the "rule of 500" (or 300), some experimentation can help find the right exposure time for your setup.

Explore the Night with Bob King

Fine Show Expected from the Perseid Meteor Shower

With no interference from the Moon, this year's Perseid meteor shower should be excellent. If you couldn't catch the show last night, try looking up tonight!

First Sample

Astronomy in Space with David Dickinson

Mars Perseverance Rover Hits a Snag on First Sampling Attempt (Update)

Perseverance came up empty on its first attempt to grab and stow a sample of Mars.

RS Oph animation

Explore the Night with Bob King

Recurrent Nova RS Ophiuchi Just Blew its Top!

The recurrent nova RS Ophiuchi just went into outburst — its first burst in 15 years — and it's bright enough to see with the naked eye

Spektr-R

Astronomy in Space with David Dickinson

Russian Rocket Booster to Reenter Early Next Week

The spent rocket booster that deployed the Russian Spektr-R satellite a decade ago is now set to burn up over the Indian Ocean on Monday, August 9th.

Comet Interceptor

Astronomy in Space with David Dickinson

How the Comet Interceptor Will Chase Visitors to the Inner Solar System

How will engineers plan the trajectory of Comet Interceptor, a mission designed to fly by an interstellar visitor, when its target is still unknown?

Doubles map east

Explore the Night with Bob King

Dazzling Double Stars for Compromised Skies

For many, smoke from wildfires has transformed summer nights, blotting out stars and familiar deep-sky sights. But through it all double stars keep on shining.

Cratered Floor, Fratcured Rough

Astronomy in Space with David Dickinson

NASA's Perseverance to Collect First Sample from Mars

Perseverance will soon collect the first of many samples from the Martian surface in a quest to answer whether the planet once hosted life.

Cen A jets

The Black Hole Files with Camille Carlisle

Event Horizon Telescope Reveals Curious Jet Structure from Black Hole

Observations of the nearest radio galaxy, Centaurus A, provide the highest-resolution look at the long jets shooting from the galaxy’s supermassive black hole.

Peculiar galaxies

Astronomy in Space with David Dickinson

NASA's Hubble Space Telescope Is Back in Action

After a tense month, the Hubble Space Telescope resumed operations this past weekend.

Hot vs. Cold

Imaging Foundations with Richard Wright

Beating the Heat in Astrophotography

Keeping your camera cool is an essential element to obtaining good clean images in astrophotography.

a view of a brown landscape with part of a machine in the forefront

Cosmic Relief with David Grinspoon

Eavesdropping on Mars

The most compelling audio the Perseverance rover will record might well be the sounds it generates itself.

NGC 5453 globular cluster

Explore the Night with Bob King

In Heaven with M7, a Portal Into the Deep

M7 in Scorpius is one of the brightest, most beautiful open clusters in the sky. It's also "home" to a half-dozen other delectable deep-sky sights.

Astronomy in Space with David Dickinson

Hubble Trouble: NASA Works to Fix Space Telescope (Updated July 14th)

NASA Engineers are working to reboot the Hubble Space Telescope, after an unexpected anomaly.

Raised Ridges

Astronomy in Space with David Dickinson

Mars Helicopter Scouts Risky Terrain for Perseverance Rover

The Ingenuity Mars helicopter has proven itself a valuable asset to Perseverance, scouting out terrain that the rover can't cross.

EnVision

Astronomy in Space with David Dickinson

What Will ESA's EnVision Learn at Venus?

ESA's EnVision mission to Venus adds to the growing number of spacecraft investigating our sister planet. How will they work together to understand our sister planet'?