Exoplanets are worlds orbiting distant stars. Astronomer Néstor Espinoza of Space Telescope Science Institute spoke with…
Category: Earth Sky
Did a comet burst crash Earth’s climate 12,800 years ago?
View at EarthSky Community Photos. | John Ashley shared this composite image of Comet Pons-Brooks setting…
Artificial star to help probe a range of cosmic mysteries
An artist’s rendering shows the concept behind the Landolt NASA Space Mission. It will create an…
To find water on Mars, listen to marsquakes
View larger. | Artist’s concept of an aquifer of liquid water on Mars, deep below the…
Hydrothermal vents on ocean moons could support life
View larger. | This Cassini image of Saturn’s ocean moon Enceladus is from October 9, 2008.…
Atmosphere over Jupiter’s Great Red Spot surprisingly active
View larger. | Jupiter and its Great Red Spot in near-infrared light from Webb, using its…
The Tunguska explosion rocked Siberia 116 years ago
Watch a video about the 1908 Tunguska explosion. The Tunguska explosion: June 30, 1908 On today’s…
Juno zooms in on Io’s volcanoes
The JunoCam instrument aboard NASA’s Juno spacecraft captured 2 volcanic plumes rising above the horizon of…
Perseverance rover explores Bright Angel in ancient riverbed
View larger. | NASA’s Perseverance rover captured this view of the light-toned rock outcrop Bright Angel…
Habitable exoplanets could exist around nearby stars
View larger. | Left, a 3-dimensional map showing stars near the sun. Right, an artist’s concept…