A previously unexplained branch of cooling white dwarfs is likely a traffic jam caused by an 8 billion year delay in cooling. A heavy isotope of neon settling down into the core of the star could be the source.
In mid August 600 astronomers met in Reykjavik, Iceland Extreme Solar Systems IV.
The absence of dusty circumplanetary disks around young giant planets suggests moonetesimals grow relatively quickly.
Yes, ‘Oumuamua is weird; and no, it is probably not a probe sent by an alien civilization. Sometimes scientists (and journalists) should be a little more careful when making (and reporting on) extraordinary claims, especially when the word “alien” is involved.
Extremely accurate measurements of the position of β Pictoris from the Hipparcos and Gaia satellites allow the direct measurement of the mass of the imaged planet β Pic b.