Sky and Solar

The Summer Triangle — 3 stars, 1 seasonal mystery
10 September 2026

The Summer Triangle dominates the night sky long after summer begins to fade. So what makes Vega, Altair and Deneb a distinctly summer sight?
On this day in space! Sept. 10, 2011: NASA launches GRAIL probes to the moon to map lumpy lunar gravity
10 September 2026

On Sept. 10, 2011, NASA's GRAIL spacecraft launched on a mission to the moon! Here's why the moon gravity mapping mission mattered.
LINK spacecraft gets close to NASA's Swift Observatory, but not close enough to save it
10 September 2026

Operations aboard the Katalyst Space LINK satellite continue, despite the spacecraft's inability to complete its mission of boosting the orbit of NASA's Swift Observatory.
Scientists study 3,000 supernovas and discover that dark energy may be evolving
10 September 2026

A catalog of almost 3,000 white dwarfs that exploded as type Ia supernovas after overfeeding on companion stars indicates that dark energy is changing over time.
The next 'Star Trek' movie will be inspired by 'Crimson Tide', and 'Strange New Worlds' latest episode just showed them how to do it
10 September 2026

The chain of command collides with questions of right and wrong in this space-set spin on the '90s submarine classic.

3I/ATLAS was born in the deep freeze
08 September 2026

Another piece of evidence suggests that this visitor formed in the bitterly cold outer reaches of a distant planetary system.
Roman Space Telescope launches on mission to survey the Universe
30 August 2026

NASA’s Nancy Grace Roman Space Telescope has begun its journey into space, starting a mission that will survey the Universe on an unprecedented scale in search of clues to dark energy, dark matter and worlds beyond our Solar System.
JWST’s ‘impossible’ early galaxies may be even more massive than we thought
24 August 2026

Faint, low-mass stars could be hiding much of the mass in distant galaxies, making the surprisingly large galaxies discovered by JWST in the early Universe even harder to explain.
How to observe the 12 August 2026 solar eclipse
07 August 2026

On the evening of 12 August 2026, the Moon will pass between Earth and the Sun, producing a striking solar eclipse. Find out how, when and where to observe it safely.
Falcon 9 lunar impact: More than a new crater
05 August 2026

Today’s impact of a spent Falcon 9 rocket stage on the Moon may sound dramatic, but it is neither the first human-made object to strike our natural satellite nor the largest.
Euclid opens a new window on the first billion years of cosmic history
25 July 2026

One of the biggest mysteries in modern astronomy is how the Universe managed to grow enormous black holes so quickly.