401–420 of 1,385 results
Cassiopeia open clusters map

Explore the Night with Bob King

Cassiopeia Cornucopia — Pretty Little Clusters All in a Row

See nine unique open clusters in Cassiopeia while barely moving your telescope.

black hole shredding star

The Black Hole Files with Camille Carlisle

Shredded Star Reveals Elusive Middle-Mass Black Hole

Astronomers have used the death of a star to uncover details about a hidden intermediate-mass black hole.

VIPER

Astronomy in Space with David Dickinson

NASA Announces Moon Landing Site for VIPER Mission

NASA’s VIPER rover will land and search for water ice in the unexplored Nobile region at the Moon's south pole.

Astronomy in Space with David Dickinson

CUPID Sun-Earth Space Weather CubeSat to Launch With LandSat-9

A small mission will hitch a ride to space in late September to study interactions at the Earth-Sun boundary.

Image of Jupiter, Saturn, and Mars

Imaging Foundations with Richard Wright

Getting Started in Planetary Imaging

It's planet season! Here are some tips to help you start imaging the giant planets while they're in easy view.

close up of a bug's face with two black eyes and white antennae and an orange-white body

Cosmic Relief with David Grinspoon

The Prime of Their Lives

The strange cycles of cicadas offer timely insight into the search for ET.

Pallas and Neptune time exposre

Explore the Night with Bob King

Asteroid Pallas Makes a Point in Pisces

Spice up your fall observing with a dash of Pallas and nibble of Neptune. Both planet and asteroid are easy to spot in a small telescope.

Possible Jovian impact flash

Explore the Night with Bob King

Amateurs Spot New Impact Flash at Jupiter

An amateur astronomer has discovered a possible new impact flash in Jupiter's equatorial region. Observers may yet see the dark impact scar.

Multiple holes in the Rochette rock on Mars

Astronomy in Space with David Dickinson

Perseverance Successfully Grabs First Mars Samples (Updates)

After a rocky first start, Perseverance hit pay dirt on the second try. The rover collected two samples recording ancient volcanic eruptions and groundwater interaction.

Goldstone dish

Astronomy in Space with David Dickinson

NASA's Deep Space Network Upgraded

NASA is upgrading its Deep Space Network to keep up with the demands of modern interplanetary communications.

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?