"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

Look for them around 10 p.m. local daylight time, roughly one-quarter up in the western sky. In addition to their closeness ...

The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika Koulen, Stefano Profumo, and Nolan Smyth from the University of California ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Exact time to see the Moon meet Mars and Regulus Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'.

Discover when the next full moon will rise in July 2025, why it's called the Hungry Ghost Moon, and what celestial events to watch for.

Colin Jost is handing out free Blue Moon beers at Staten Island bars as part of his first-ever brand partnership. The SNL star also stars in a new ad campaign featuring talking oranges and camera ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a camera so powerful it can see light from galaxies that formed more than 13 ...

These explosions, called extreme nuclear transients, shine for longer than typical supernovas and get 30 to 1,000 times as bright.

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Sometimes the best stargazing happens on ordinary nights. Late June 2025 showcases consistent cosmic rhythms: Venus is brilliant as Morning Star 2-3 hours before sunrise, Mars is red in Leo during ...